Will be used by nouveau driver also in the near future.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/radeon_drm.h>
-#include "radeon_fixed.h"
+#include <drm/drm_fixed.h>
#include "radeon.h"
#include "atom.h"
#include "atom-bits.h"
fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
fixed20_12 memtcas_ff[8] = {
- fixed_init(1),
- fixed_init(2),
- fixed_init(3),
- fixed_init(0),
- fixed_init_half(1),
- fixed_init_half(2),
- fixed_init(0),
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(0),
+ dfixed_init_half(1),
+ dfixed_init_half(2),
+ dfixed_init(0),
};
fixed20_12 memtcas_rs480_ff[8] = {
- fixed_init(0),
- fixed_init(1),
- fixed_init(2),
- fixed_init(3),
- fixed_init(0),
- fixed_init_half(1),
- fixed_init_half(2),
- fixed_init_half(3),
+ dfixed_init(0),
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(0),
+ dfixed_init_half(1),
+ dfixed_init_half(2),
+ dfixed_init_half(3),
};
fixed20_12 memtcas2_ff[8] = {
- fixed_init(0),
- fixed_init(1),
- fixed_init(2),
- fixed_init(3),
- fixed_init(4),
- fixed_init(5),
- fixed_init(6),
- fixed_init(7),
+ dfixed_init(0),
+ dfixed_init(1),
+ dfixed_init(2),
+ dfixed_init(3),
+ dfixed_init(4),
+ dfixed_init(5),
+ dfixed_init(6),
+ dfixed_init(7),
};
fixed20_12 memtrbs[8] = {
- fixed_init(1),
- fixed_init_half(1),
- fixed_init(2),
- fixed_init_half(2),
- fixed_init(3),
- fixed_init_half(3),
- fixed_init(4),
- fixed_init_half(4)
+ dfixed_init(1),
+ dfixed_init_half(1),
+ dfixed_init(2),
+ dfixed_init_half(2),
+ dfixed_init(3),
+ dfixed_init_half(3),
+ dfixed_init(4),
+ dfixed_init_half(4)
};
fixed20_12 memtrbs_r4xx[8] = {
- fixed_init(4),
- fixed_init(5),
- fixed_init(6),
- fixed_init(7),
- fixed_init(8),
- fixed_init(9),
- fixed_init(10),
- fixed_init(11)
+ dfixed_init(4),
+ dfixed_init(5),
+ dfixed_init(6),
+ dfixed_init(7),
+ dfixed_init(8),
+ dfixed_init(9),
+ dfixed_init(10),
+ dfixed_init(11)
};
fixed20_12 min_mem_eff;
fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
}
}
- min_mem_eff.full = rfixed_const_8(0);
+ min_mem_eff.full = dfixed_const_8(0);
/* get modes */
if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
mclk_ff = rdev->pm.mclk;
temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
- temp_ff.full = rfixed_const(temp);
- mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
+ temp_ff.full = dfixed_const(temp);
+ mem_bw.full = dfixed_mul(mclk_ff, temp_ff);
pix_clk.full = 0;
pix_clk2.full = 0;
peak_disp_bw.full = 0;
if (mode1) {
- temp_ff.full = rfixed_const(1000);
- pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
- pix_clk.full = rfixed_div(pix_clk, temp_ff);
- temp_ff.full = rfixed_const(pixel_bytes1);
- peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
+ temp_ff.full = dfixed_const(1000);
+ pix_clk.full = dfixed_const(mode1->clock); /* convert to fixed point */
+ pix_clk.full = dfixed_div(pix_clk, temp_ff);
+ temp_ff.full = dfixed_const(pixel_bytes1);
+ peak_disp_bw.full += dfixed_mul(pix_clk, temp_ff);
}
if (mode2) {
- temp_ff.full = rfixed_const(1000);
- pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
- pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
- temp_ff.full = rfixed_const(pixel_bytes2);
- peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
+ temp_ff.full = dfixed_const(1000);
+ pix_clk2.full = dfixed_const(mode2->clock); /* convert to fixed point */
+ pix_clk2.full = dfixed_div(pix_clk2, temp_ff);
+ temp_ff.full = dfixed_const(pixel_bytes2);
+ peak_disp_bw.full += dfixed_mul(pix_clk2, temp_ff);
}
- mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
+ mem_bw.full = dfixed_mul(mem_bw, min_mem_eff);
if (peak_disp_bw.full >= mem_bw.full) {
DRM_ERROR("You may not have enough display bandwidth for current mode\n"
"If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
mem_tras = ((temp >> 12) & 0xf) + 4;
}
/* convert to FF */
- trcd_ff.full = rfixed_const(mem_trcd);
- trp_ff.full = rfixed_const(mem_trp);
- tras_ff.full = rfixed_const(mem_tras);
+ trcd_ff.full = dfixed_const(mem_trcd);
+ trp_ff.full = dfixed_const(mem_trp);
+ tras_ff.full = dfixed_const(mem_tras);
/* Get values from the MEM_SDRAM_MODE_REG register...converting its */
temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
/* extra cas latency stored in bits 23-25 0-4 clocks */
data = (temp >> 23) & 0x7;
if (data < 5)
- tcas_ff.full += rfixed_const(data);
+ tcas_ff.full += dfixed_const(data);
}
if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
if (rdev->flags & RADEON_IS_AGP) {
fixed20_12 agpmode_ff;
- agpmode_ff.full = rfixed_const(radeon_agpmode);
- temp_ff.full = rfixed_const_666(16);
- sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
+ agpmode_ff.full = dfixed_const(radeon_agpmode);
+ temp_ff.full = dfixed_const_666(16);
+ sclk_eff_ff.full -= dfixed_mul(agpmode_ff, temp_ff);
}
/* TODO PCIE lanes may affect this - agpmode == 16?? */
if (ASIC_IS_R300(rdev)) {
- sclk_delay_ff.full = rfixed_const(250);
+ sclk_delay_ff.full = dfixed_const(250);
} else {
if ((rdev->family == CHIP_RV100) ||
rdev->flags & RADEON_IS_IGP) {
if (rdev->mc.vram_is_ddr)
- sclk_delay_ff.full = rfixed_const(41);
+ sclk_delay_ff.full = dfixed_const(41);
else
- sclk_delay_ff.full = rfixed_const(33);
+ sclk_delay_ff.full = dfixed_const(33);
} else {
if (rdev->mc.vram_width == 128)
- sclk_delay_ff.full = rfixed_const(57);
+ sclk_delay_ff.full = dfixed_const(57);
else
- sclk_delay_ff.full = rfixed_const(41);
+ sclk_delay_ff.full = dfixed_const(41);
}
}
- mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
+ mc_latency_sclk.full = dfixed_div(sclk_delay_ff, sclk_eff_ff);
if (rdev->mc.vram_is_ddr) {
if (rdev->mc.vram_width == 32) {
- k1.full = rfixed_const(40);
+ k1.full = dfixed_const(40);
c = 3;
} else {
- k1.full = rfixed_const(20);
+ k1.full = dfixed_const(20);
c = 1;
}
} else {
- k1.full = rfixed_const(40);
+ k1.full = dfixed_const(40);
c = 3;
}
- temp_ff.full = rfixed_const(2);
- mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
- temp_ff.full = rfixed_const(c);
- mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
- temp_ff.full = rfixed_const(4);
- mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
- mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
+ temp_ff.full = dfixed_const(2);
+ mc_latency_mclk.full = dfixed_mul(trcd_ff, temp_ff);
+ temp_ff.full = dfixed_const(c);
+ mc_latency_mclk.full += dfixed_mul(tcas_ff, temp_ff);
+ temp_ff.full = dfixed_const(4);
+ mc_latency_mclk.full += dfixed_mul(tras_ff, temp_ff);
+ mc_latency_mclk.full += dfixed_mul(trp_ff, temp_ff);
mc_latency_mclk.full += k1.full;
- mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
- mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
+ mc_latency_mclk.full = dfixed_div(mc_latency_mclk, mclk_ff);
+ mc_latency_mclk.full += dfixed_div(temp_ff, sclk_eff_ff);
/*
HW cursor time assuming worst case of full size colour cursor.
*/
- temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
+ temp_ff.full = dfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
temp_ff.full += trcd_ff.full;
if (temp_ff.full < tras_ff.full)
temp_ff.full = tras_ff.full;
- cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
+ cur_latency_mclk.full = dfixed_div(temp_ff, mclk_ff);
- temp_ff.full = rfixed_const(cur_size);
- cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
+ temp_ff.full = dfixed_const(cur_size);
+ cur_latency_sclk.full = dfixed_div(temp_ff, sclk_eff_ff);
/*
Find the total latency for the display data.
*/
- disp_latency_overhead.full = rfixed_const(8);
- disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
+ disp_latency_overhead.full = dfixed_const(8);
+ disp_latency_overhead.full = dfixed_div(disp_latency_overhead, sclk_ff);
mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
/*
Find the drain rate of the display buffer.
*/
- temp_ff.full = rfixed_const((16/pixel_bytes1));
- disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
+ temp_ff.full = dfixed_const((16/pixel_bytes1));
+ disp_drain_rate.full = dfixed_div(pix_clk, temp_ff);
/*
Find the critical point of the display buffer.
*/
- crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
- crit_point_ff.full += rfixed_const_half(0);
+ crit_point_ff.full = dfixed_mul(disp_drain_rate, disp_latency);
+ crit_point_ff.full += dfixed_const_half(0);
- critical_point = rfixed_trunc(crit_point_ff);
+ critical_point = dfixed_trunc(crit_point_ff);
if (rdev->disp_priority == 2) {
critical_point = 0;
/*
Find the drain rate of the display buffer.
*/
- temp_ff.full = rfixed_const((16/pixel_bytes2));
- disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
+ temp_ff.full = dfixed_const((16/pixel_bytes2));
+ disp_drain_rate2.full = dfixed_div(pix_clk2, temp_ff);
grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
critical_point2 = 0;
else {
temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
- temp_ff.full = rfixed_const(temp);
- temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
+ temp_ff.full = dfixed_const(temp);
+ temp_ff.full = dfixed_mul(mclk_ff, temp_ff);
if (sclk_ff.full < temp_ff.full)
temp_ff.full = sclk_ff.full;
if (mode1) {
temp_ff.full = read_return_rate.full - disp_drain_rate.full;
- time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
+ time_disp1_drop_priority.full = dfixed_div(crit_point_ff, temp_ff);
} else {
time_disp1_drop_priority.full = 0;
}
crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
- crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
- crit_point_ff.full += rfixed_const_half(0);
+ crit_point_ff.full = dfixed_mul(crit_point_ff, disp_drain_rate2);
+ crit_point_ff.full += dfixed_const_half(0);
- critical_point2 = rfixed_trunc(crit_point_ff);
+ critical_point2 = dfixed_trunc(crit_point_ff);
if (rdev->disp_priority == 2) {
critical_point2 = 0;
sclk = radeon_get_engine_clock(rdev);
mclk = rdev->clock.default_mclk;
- a.full = rfixed_const(100);
- rdev->pm.sclk.full = rfixed_const(sclk);
- rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
- rdev->pm.mclk.full = rfixed_const(mclk);
- rdev->pm.mclk.full = rfixed_div(rdev->pm.mclk, a);
+ a.full = dfixed_const(100);
+ rdev->pm.sclk.full = dfixed_const(sclk);
+ rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a);
+ rdev->pm.mclk.full = dfixed_const(mclk);
+ rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a);
- a.full = rfixed_const(16);
+ a.full = dfixed_const(16);
/* core_bandwidth = sclk(Mhz) * 16 */
- rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
+ rdev->pm.core_bandwidth.full = dfixed_div(rdev->pm.sclk, a);
} else {
sclk = radeon_get_engine_clock(rdev);
mclk = radeon_get_memory_clock(rdev);
- a.full = rfixed_const(100);
- rdev->pm.sclk.full = rfixed_const(sclk);
- rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
- rdev->pm.mclk.full = rfixed_const(mclk);
- rdev->pm.mclk.full = rfixed_div(rdev->pm.mclk, a);
+ a.full = dfixed_const(100);
+ rdev->pm.sclk.full = dfixed_const(sclk);
+ rdev->pm.sclk.full = dfixed_div(rdev->pm.sclk, a);
+ rdev->pm.mclk.full = dfixed_const(mclk);
+ rdev->pm.mclk.full = dfixed_div(rdev->pm.mclk, a);
}
}
vco_freq = freq * post_div;
/* feedback_divider = vco_freq * ref_div / pll->reference_freq; */
- a.full = rfixed_const(pll->reference_freq);
- feedback_divider.full = rfixed_const(vco_freq);
- feedback_divider.full = rfixed_div(feedback_divider, a);
- a.full = rfixed_const(ref_div);
- feedback_divider.full = rfixed_mul(feedback_divider, a);
+ a.full = dfixed_const(pll->reference_freq);
+ feedback_divider.full = dfixed_const(vco_freq);
+ feedback_divider.full = dfixed_div(feedback_divider, a);
+ a.full = dfixed_const(ref_div);
+ feedback_divider.full = dfixed_mul(feedback_divider, a);
if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
/* feedback_divider = floor((feedback_divider * 10.0) + 0.5) * 0.1; */
- a.full = rfixed_const(10);
- feedback_divider.full = rfixed_mul(feedback_divider, a);
- feedback_divider.full += rfixed_const_half(0);
- feedback_divider.full = rfixed_floor(feedback_divider);
- feedback_divider.full = rfixed_div(feedback_divider, a);
+ a.full = dfixed_const(10);
+ feedback_divider.full = dfixed_mul(feedback_divider, a);
+ feedback_divider.full += dfixed_const_half(0);
+ feedback_divider.full = dfixed_floor(feedback_divider);
+ feedback_divider.full = dfixed_div(feedback_divider, a);
/* *fb_div = floor(feedback_divider); */
- a.full = rfixed_floor(feedback_divider);
- *fb_div = rfixed_trunc(a);
+ a.full = dfixed_floor(feedback_divider);
+ *fb_div = dfixed_trunc(a);
/* *fb_div_frac = fmod(feedback_divider, 1.0) * 10.0; */
- a.full = rfixed_const(10);
- b.full = rfixed_mul(feedback_divider, a);
+ a.full = dfixed_const(10);
+ b.full = dfixed_mul(feedback_divider, a);
- feedback_divider.full = rfixed_floor(feedback_divider);
- feedback_divider.full = rfixed_mul(feedback_divider, a);
+ feedback_divider.full = dfixed_floor(feedback_divider);
+ feedback_divider.full = dfixed_mul(feedback_divider, a);
feedback_divider.full = b.full - feedback_divider.full;
- *fb_div_frac = rfixed_trunc(feedback_divider);
+ *fb_div_frac = dfixed_trunc(feedback_divider);
} else {
/* *fb_div = floor(feedback_divider + 0.5); */
- feedback_divider.full += rfixed_const_half(0);
- feedback_divider.full = rfixed_floor(feedback_divider);
+ feedback_divider.full += dfixed_const_half(0);
+ feedback_divider.full = dfixed_floor(feedback_divider);
- *fb_div = rfixed_trunc(feedback_divider);
+ *fb_div = dfixed_trunc(feedback_divider);
*fb_div_frac = 0;
}
pll_out_max = pll->pll_out_max;
}
- ffreq.full = rfixed_const(freq);
+ ffreq.full = dfixed_const(freq);
/* max_error = ffreq * 0.0025; */
- a.full = rfixed_const(400);
- max_error.full = rfixed_div(ffreq, a);
+ a.full = dfixed_const(400);
+ max_error.full = dfixed_div(ffreq, a);
for ((*ref_div) = pll->min_ref_div; (*ref_div) < pll->max_ref_div; ++(*ref_div)) {
if (calc_fb_div(pll, freq, post_div, (*ref_div), fb_div, fb_div_frac)) {
continue;
/* pll_out = vco / post_div; */
- a.full = rfixed_const(post_div);
- pll_out.full = rfixed_const(vco);
- pll_out.full = rfixed_div(pll_out, a);
+ a.full = dfixed_const(post_div);
+ pll_out.full = dfixed_const(vco);
+ pll_out.full = dfixed_div(pll_out, a);
if (pll_out.full >= ffreq.full) {
error.full = pll_out.full - ffreq.full;
}
if (radeon_crtc->rmx_type != RMX_OFF) {
fixed20_12 a, b;
- a.full = rfixed_const(crtc->mode.vdisplay);
- b.full = rfixed_const(radeon_crtc->native_mode.hdisplay);
- radeon_crtc->vsc.full = rfixed_div(a, b);
- a.full = rfixed_const(crtc->mode.hdisplay);
- b.full = rfixed_const(radeon_crtc->native_mode.vdisplay);
- radeon_crtc->hsc.full = rfixed_div(a, b);
+ a.full = dfixed_const(crtc->mode.vdisplay);
+ b.full = dfixed_const(radeon_crtc->native_mode.hdisplay);
+ radeon_crtc->vsc.full = dfixed_div(a, b);
+ a.full = dfixed_const(crtc->mode.hdisplay);
+ b.full = dfixed_const(radeon_crtc->native_mode.vdisplay);
+ radeon_crtc->hsc.full = dfixed_div(a, b);
} else {
- radeon_crtc->vsc.full = rfixed_const(1);
- radeon_crtc->hsc.full = rfixed_const(1);
+ radeon_crtc->vsc.full = dfixed_const(1);
+ radeon_crtc->hsc.full = dfixed_const(1);
}
return true;
}
+++ /dev/null
-/*
- * Copyright 2009 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Dave Airlie
- */
-#ifndef RADEON_FIXED_H
-#define RADEON_FIXED_H
-
-typedef union rfixed {
- u32 full;
-} fixed20_12;
-
-
-#define rfixed_const(A) (u32)(((A) << 12))/* + ((B + 0.000122)*4096)) */
-#define rfixed_const_half(A) (u32)(((A) << 12) + 2048)
-#define rfixed_const_666(A) (u32)(((A) << 12) + 2731)
-#define rfixed_const_8(A) (u32)(((A) << 12) + 3277)
-#define rfixed_mul(A, B) ((u64)((u64)(A).full * (B).full + 2048) >> 12)
-#define fixed_init(A) { .full = rfixed_const((A)) }
-#define fixed_init_half(A) { .full = rfixed_const_half((A)) }
-#define rfixed_trunc(A) ((A).full >> 12)
-
-static inline u32 rfixed_floor(fixed20_12 A)
-{
- u32 non_frac = rfixed_trunc(A);
-
- return rfixed_const(non_frac);
-}
-
-static inline u32 rfixed_ceil(fixed20_12 A)
-{
- u32 non_frac = rfixed_trunc(A);
-
- if (A.full > rfixed_const(non_frac))
- return rfixed_const(non_frac + 1);
- else
- return rfixed_const(non_frac);
-}
-
-static inline u32 rfixed_div(fixed20_12 A, fixed20_12 B)
-{
- u64 tmp = ((u64)A.full << 13);
-
- do_div(tmp, B.full);
- tmp += 1;
- tmp /= 2;
- return lower_32_bits(tmp);
-}
-#endif
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/radeon_drm.h>
-#include "radeon_fixed.h"
+#include <drm/drm_fixed.h>
#include "radeon.h"
#include "atom.h"
#include <drm_mode.h>
#include <drm_edid.h>
#include <drm_dp_helper.h>
+#include <drm_fixed.h>
#include <linux/i2c.h>
#include <linux/i2c-id.h>
#include <linux/i2c-algo-bit.h>
-#include "radeon_fixed.h"
struct radeon_bo;
struct radeon_device;
/* Get various system informations from bios */
switch (crev) {
case 1:
- tmp.full = rfixed_const(100);
- rdev->pm.igp_sideport_mclk.full = rfixed_const(info->info.ulBootUpMemoryClock);
- rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
- rdev->pm.igp_system_mclk.full = rfixed_const(le16_to_cpu(info->info.usK8MemoryClock));
- rdev->pm.igp_ht_link_clk.full = rfixed_const(le16_to_cpu(info->info.usFSBClock));
- rdev->pm.igp_ht_link_width.full = rfixed_const(info->info.ucHTLinkWidth);
+ tmp.full = dfixed_const(100);
+ rdev->pm.igp_sideport_mclk.full = dfixed_const(info->info.ulBootUpMemoryClock);
+ rdev->pm.igp_sideport_mclk.full = dfixed_div(rdev->pm.igp_sideport_mclk, tmp);
+ rdev->pm.igp_system_mclk.full = dfixed_const(le16_to_cpu(info->info.usK8MemoryClock));
+ rdev->pm.igp_ht_link_clk.full = dfixed_const(le16_to_cpu(info->info.usFSBClock));
+ rdev->pm.igp_ht_link_width.full = dfixed_const(info->info.ucHTLinkWidth);
break;
case 2:
- tmp.full = rfixed_const(100);
- rdev->pm.igp_sideport_mclk.full = rfixed_const(info->info_v2.ulBootUpSidePortClock);
- rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
- rdev->pm.igp_system_mclk.full = rfixed_const(info->info_v2.ulBootUpUMAClock);
- rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
- rdev->pm.igp_ht_link_clk.full = rfixed_const(info->info_v2.ulHTLinkFreq);
- rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp);
- rdev->pm.igp_ht_link_width.full = rfixed_const(le16_to_cpu(info->info_v2.usMinHTLinkWidth));
+ tmp.full = dfixed_const(100);
+ rdev->pm.igp_sideport_mclk.full = dfixed_const(info->info_v2.ulBootUpSidePortClock);
+ rdev->pm.igp_sideport_mclk.full = dfixed_div(rdev->pm.igp_sideport_mclk, tmp);
+ rdev->pm.igp_system_mclk.full = dfixed_const(info->info_v2.ulBootUpUMAClock);
+ rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp);
+ rdev->pm.igp_ht_link_clk.full = dfixed_const(info->info_v2.ulHTLinkFreq);
+ rdev->pm.igp_ht_link_clk.full = dfixed_div(rdev->pm.igp_ht_link_clk, tmp);
+ rdev->pm.igp_ht_link_width.full = dfixed_const(le16_to_cpu(info->info_v2.usMinHTLinkWidth));
break;
default:
- tmp.full = rfixed_const(100);
+ tmp.full = dfixed_const(100);
/* We assume the slower possible clock ie worst case */
/* DDR 333Mhz */
- rdev->pm.igp_sideport_mclk.full = rfixed_const(333);
+ rdev->pm.igp_sideport_mclk.full = dfixed_const(333);
/* FIXME: system clock ? */
- rdev->pm.igp_system_mclk.full = rfixed_const(100);
- rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
- rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
- rdev->pm.igp_ht_link_width.full = rfixed_const(8);
+ rdev->pm.igp_system_mclk.full = dfixed_const(100);
+ rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp);
+ rdev->pm.igp_ht_link_clk.full = dfixed_const(200);
+ rdev->pm.igp_ht_link_width.full = dfixed_const(8);
DRM_ERROR("No integrated system info for your GPU, using safe default\n");
break;
}
} else {
- tmp.full = rfixed_const(100);
+ tmp.full = dfixed_const(100);
/* We assume the slower possible clock ie worst case */
/* DDR 333Mhz */
- rdev->pm.igp_sideport_mclk.full = rfixed_const(333);
+ rdev->pm.igp_sideport_mclk.full = dfixed_const(333);
/* FIXME: system clock ? */
- rdev->pm.igp_system_mclk.full = rfixed_const(100);
- rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
- rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
- rdev->pm.igp_ht_link_width.full = rfixed_const(8);
+ rdev->pm.igp_system_mclk.full = dfixed_const(100);
+ rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp);
+ rdev->pm.igp_ht_link_clk.full = dfixed_const(200);
+ rdev->pm.igp_ht_link_width.full = dfixed_const(8);
DRM_ERROR("No integrated system info for your GPU, using safe default\n");
}
/* Compute various bandwidth */
/* k8_bandwidth = (memory_clk / 2) * 2 * 8 * 0.5 = memory_clk * 4 */
- tmp.full = rfixed_const(4);
- rdev->pm.k8_bandwidth.full = rfixed_mul(rdev->pm.igp_system_mclk, tmp);
+ tmp.full = dfixed_const(4);
+ rdev->pm.k8_bandwidth.full = dfixed_mul(rdev->pm.igp_system_mclk, tmp);
/* ht_bandwidth = ht_clk * 2 * ht_width / 8 * 0.8
* = ht_clk * ht_width / 5
*/
- tmp.full = rfixed_const(5);
- rdev->pm.ht_bandwidth.full = rfixed_mul(rdev->pm.igp_ht_link_clk,
+ tmp.full = dfixed_const(5);
+ rdev->pm.ht_bandwidth.full = dfixed_mul(rdev->pm.igp_ht_link_clk,
rdev->pm.igp_ht_link_width);
- rdev->pm.ht_bandwidth.full = rfixed_div(rdev->pm.ht_bandwidth, tmp);
+ rdev->pm.ht_bandwidth.full = dfixed_div(rdev->pm.ht_bandwidth, tmp);
if (tmp.full < rdev->pm.max_bandwidth.full) {
/* HT link is a limiting factor */
rdev->pm.max_bandwidth.full = tmp.full;
/* sideport_bandwidth = (sideport_clk / 2) * 2 * 2 * 0.7
* = (sideport_clk * 14) / 10
*/
- tmp.full = rfixed_const(14);
- rdev->pm.sideport_bandwidth.full = rfixed_mul(rdev->pm.igp_sideport_mclk, tmp);
- tmp.full = rfixed_const(10);
- rdev->pm.sideport_bandwidth.full = rfixed_div(rdev->pm.sideport_bandwidth, tmp);
+ tmp.full = dfixed_const(14);
+ rdev->pm.sideport_bandwidth.full = dfixed_mul(rdev->pm.igp_sideport_mclk, tmp);
+ tmp.full = dfixed_const(10);
+ rdev->pm.sideport_bandwidth.full = dfixed_div(rdev->pm.sideport_bandwidth, tmp);
}
void rs690_mc_init(struct radeon_device *rdev)
return;
}
- if (crtc->vsc.full > rfixed_const(2))
- wm->num_line_pair.full = rfixed_const(2);
+ if (crtc->vsc.full > dfixed_const(2))
+ wm->num_line_pair.full = dfixed_const(2);
else
- wm->num_line_pair.full = rfixed_const(1);
-
- b.full = rfixed_const(mode->crtc_hdisplay);
- c.full = rfixed_const(256);
- a.full = rfixed_div(b, c);
- request_fifo_depth.full = rfixed_mul(a, wm->num_line_pair);
- request_fifo_depth.full = rfixed_ceil(request_fifo_depth);
- if (a.full < rfixed_const(4)) {
+ wm->num_line_pair.full = dfixed_const(1);
+
+ b.full = dfixed_const(mode->crtc_hdisplay);
+ c.full = dfixed_const(256);
+ a.full = dfixed_div(b, c);
+ request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
+ request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
+ if (a.full < dfixed_const(4)) {
wm->lb_request_fifo_depth = 4;
} else {
- wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
+ wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
}
/* Determine consumption rate
* vsc = vertical scaling ratio, defined as source/destination
* hsc = horizontal scaling ration, defined as source/destination
*/
- a.full = rfixed_const(mode->clock);
- b.full = rfixed_const(1000);
- a.full = rfixed_div(a, b);
- pclk.full = rfixed_div(b, a);
+ a.full = dfixed_const(mode->clock);
+ b.full = dfixed_const(1000);
+ a.full = dfixed_div(a, b);
+ pclk.full = dfixed_div(b, a);
if (crtc->rmx_type != RMX_OFF) {
- b.full = rfixed_const(2);
+ b.full = dfixed_const(2);
if (crtc->vsc.full > b.full)
b.full = crtc->vsc.full;
- b.full = rfixed_mul(b, crtc->hsc);
- c.full = rfixed_const(2);
- b.full = rfixed_div(b, c);
- consumption_time.full = rfixed_div(pclk, b);
+ b.full = dfixed_mul(b, crtc->hsc);
+ c.full = dfixed_const(2);
+ b.full = dfixed_div(b, c);
+ consumption_time.full = dfixed_div(pclk, b);
} else {
consumption_time.full = pclk.full;
}
- a.full = rfixed_const(1);
- wm->consumption_rate.full = rfixed_div(a, consumption_time);
+ a.full = dfixed_const(1);
+ wm->consumption_rate.full = dfixed_div(a, consumption_time);
/* Determine line time
* LineTime = total number of horizontal pixels
* pclk = pixel clock period(ns)
*/
- a.full = rfixed_const(crtc->base.mode.crtc_htotal);
- line_time.full = rfixed_mul(a, pclk);
+ a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+ line_time.full = dfixed_mul(a, pclk);
/* Determine active time
* ActiveTime = time of active region of display within one line,
* hactive = total number of horizontal active pixels
* htotal = total number of horizontal pixels
*/
- a.full = rfixed_const(crtc->base.mode.crtc_htotal);
- b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
- wm->active_time.full = rfixed_mul(line_time, b);
- wm->active_time.full = rfixed_div(wm->active_time, a);
+ a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+ b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+ wm->active_time.full = dfixed_mul(line_time, b);
+ wm->active_time.full = dfixed_div(wm->active_time, a);
/* Maximun bandwidth is the minimun bandwidth of all component */
rdev->pm.max_bandwidth = rdev->pm.core_bandwidth;
if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full &&
rdev->pm.sideport_bandwidth.full)
rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth;
- read_delay_latency.full = rfixed_const(370 * 800 * 1000);
- read_delay_latency.full = rfixed_div(read_delay_latency,
+ read_delay_latency.full = dfixed_const(370 * 800 * 1000);
+ read_delay_latency.full = dfixed_div(read_delay_latency,
rdev->pm.igp_sideport_mclk);
} else {
if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full &&
if (rdev->pm.max_bandwidth.full > rdev->pm.ht_bandwidth.full &&
rdev->pm.ht_bandwidth.full)
rdev->pm.max_bandwidth = rdev->pm.ht_bandwidth;
- read_delay_latency.full = rfixed_const(5000);
+ read_delay_latency.full = dfixed_const(5000);
}
/* sclk = system clocks(ns) = 1000 / max_bandwidth / 16 */
- a.full = rfixed_const(16);
- rdev->pm.sclk.full = rfixed_mul(rdev->pm.max_bandwidth, a);
- a.full = rfixed_const(1000);
- rdev->pm.sclk.full = rfixed_div(a, rdev->pm.sclk);
+ a.full = dfixed_const(16);
+ rdev->pm.sclk.full = dfixed_mul(rdev->pm.max_bandwidth, a);
+ a.full = dfixed_const(1000);
+ rdev->pm.sclk.full = dfixed_div(a, rdev->pm.sclk);
/* Determine chunk time
* ChunkTime = the time it takes the DCP to send one chunk of data
* to the LB which consists of pipeline delay and inter chunk gap
* sclk = system clock(ns)
*/
- a.full = rfixed_const(256 * 13);
- chunk_time.full = rfixed_mul(rdev->pm.sclk, a);
- a.full = rfixed_const(10);
- chunk_time.full = rfixed_div(chunk_time, a);
+ a.full = dfixed_const(256 * 13);
+ chunk_time.full = dfixed_mul(rdev->pm.sclk, a);
+ a.full = dfixed_const(10);
+ chunk_time.full = dfixed_div(chunk_time, a);
/* Determine the worst case latency
* NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
* ChunkTime = time it takes the DCP to send one chunk of data to the LB
* which consists of pipeline delay and inter chunk gap
*/
- if (rfixed_trunc(wm->num_line_pair) > 1) {
- a.full = rfixed_const(3);
- wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
+ if (dfixed_trunc(wm->num_line_pair) > 1) {
+ a.full = dfixed_const(3);
+ wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
wm->worst_case_latency.full += read_delay_latency.full;
} else {
- a.full = rfixed_const(2);
- wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
+ a.full = dfixed_const(2);
+ wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
wm->worst_case_latency.full += read_delay_latency.full;
}
* of data to the LB which consists of
* pipeline delay and inter chunk gap
*/
- if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
+ if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
tolerable_latency.full = line_time.full;
} else {
- tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
+ tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
- tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
+ tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
tolerable_latency.full = line_time.full - tolerable_latency.full;
}
/* We assume worst case 32bits (4 bytes) */
- wm->dbpp.full = rfixed_const(4 * 8);
+ wm->dbpp.full = dfixed_const(4 * 8);
/* Determine the maximum priority mark
* width = viewport width in pixels
*/
- a.full = rfixed_const(16);
- wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
- wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
- wm->priority_mark_max.full = rfixed_ceil(wm->priority_mark_max);
+ a.full = dfixed_const(16);
+ wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+ wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
+ wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
/* Determine estimated width */
estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
- estimated_width.full = rfixed_div(estimated_width, consumption_time);
- if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
- wm->priority_mark.full = rfixed_const(10);
+ estimated_width.full = dfixed_div(estimated_width, consumption_time);
+ if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
+ wm->priority_mark.full = dfixed_const(10);
} else {
- a.full = rfixed_const(16);
- wm->priority_mark.full = rfixed_div(estimated_width, a);
- wm->priority_mark.full = rfixed_ceil(wm->priority_mark);
+ a.full = dfixed_const(16);
+ wm->priority_mark.full = dfixed_div(estimated_width, a);
+ wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
}
}
WREG32(R_006D58_LB_MAX_REQ_OUTSTANDING, tmp);
if (mode0 && mode1) {
- if (rfixed_trunc(wm0.dbpp) > 64)
- a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
+ if (dfixed_trunc(wm0.dbpp) > 64)
+ a.full = dfixed_mul(wm0.dbpp, wm0.num_line_pair);
else
a.full = wm0.num_line_pair.full;
- if (rfixed_trunc(wm1.dbpp) > 64)
- b.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair);
+ if (dfixed_trunc(wm1.dbpp) > 64)
+ b.full = dfixed_mul(wm1.dbpp, wm1.num_line_pair);
else
b.full = wm1.num_line_pair.full;
a.full += b.full;
- fill_rate.full = rfixed_div(wm0.sclk, a);
+ fill_rate.full = dfixed_div(wm0.sclk, a);
if (wm0.consumption_rate.full > fill_rate.full) {
b.full = wm0.consumption_rate.full - fill_rate.full;
- b.full = rfixed_mul(b, wm0.active_time);
- a.full = rfixed_mul(wm0.worst_case_latency,
+ b.full = dfixed_mul(b, wm0.active_time);
+ a.full = dfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
a.full = a.full + b.full;
- b.full = rfixed_const(16 * 1000);
- priority_mark02.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark02.full = dfixed_div(a, b);
} else {
- a.full = rfixed_mul(wm0.worst_case_latency,
+ a.full = dfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
- b.full = rfixed_const(16 * 1000);
- priority_mark02.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark02.full = dfixed_div(a, b);
}
if (wm1.consumption_rate.full > fill_rate.full) {
b.full = wm1.consumption_rate.full - fill_rate.full;
- b.full = rfixed_mul(b, wm1.active_time);
- a.full = rfixed_mul(wm1.worst_case_latency,
+ b.full = dfixed_mul(b, wm1.active_time);
+ a.full = dfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
a.full = a.full + b.full;
- b.full = rfixed_const(16 * 1000);
- priority_mark12.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark12.full = dfixed_div(a, b);
} else {
- a.full = rfixed_mul(wm1.worst_case_latency,
+ a.full = dfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
- b.full = rfixed_const(16 * 1000);
- priority_mark12.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark12.full = dfixed_div(a, b);
}
if (wm0.priority_mark.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark.full;
- if (rfixed_trunc(priority_mark02) < 0)
+ if (dfixed_trunc(priority_mark02) < 0)
priority_mark02.full = 0;
if (wm0.priority_mark_max.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark_max.full;
if (wm1.priority_mark.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark.full;
- if (rfixed_trunc(priority_mark12) < 0)
+ if (dfixed_trunc(priority_mark12) < 0)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
- d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
- d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+ d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
+ d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
if (rdev->disp_priority == 2) {
d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
} else if (mode0) {
- if (rfixed_trunc(wm0.dbpp) > 64)
- a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
+ if (dfixed_trunc(wm0.dbpp) > 64)
+ a.full = dfixed_mul(wm0.dbpp, wm0.num_line_pair);
else
a.full = wm0.num_line_pair.full;
- fill_rate.full = rfixed_div(wm0.sclk, a);
+ fill_rate.full = dfixed_div(wm0.sclk, a);
if (wm0.consumption_rate.full > fill_rate.full) {
b.full = wm0.consumption_rate.full - fill_rate.full;
- b.full = rfixed_mul(b, wm0.active_time);
- a.full = rfixed_mul(wm0.worst_case_latency,
+ b.full = dfixed_mul(b, wm0.active_time);
+ a.full = dfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
a.full = a.full + b.full;
- b.full = rfixed_const(16 * 1000);
- priority_mark02.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark02.full = dfixed_div(a, b);
} else {
- a.full = rfixed_mul(wm0.worst_case_latency,
+ a.full = dfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
- b.full = rfixed_const(16 * 1000);
- priority_mark02.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark02.full = dfixed_div(a, b);
}
if (wm0.priority_mark.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark.full;
- if (rfixed_trunc(priority_mark02) < 0)
+ if (dfixed_trunc(priority_mark02) < 0)
priority_mark02.full = 0;
if (wm0.priority_mark_max.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark_max.full;
- d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
+ d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
if (rdev->disp_priority == 2)
d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT,
S_006D4C_D2MODE_PRIORITY_B_OFF(1));
} else {
- if (rfixed_trunc(wm1.dbpp) > 64)
- a.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair);
+ if (dfixed_trunc(wm1.dbpp) > 64)
+ a.full = dfixed_mul(wm1.dbpp, wm1.num_line_pair);
else
a.full = wm1.num_line_pair.full;
- fill_rate.full = rfixed_div(wm1.sclk, a);
+ fill_rate.full = dfixed_div(wm1.sclk, a);
if (wm1.consumption_rate.full > fill_rate.full) {
b.full = wm1.consumption_rate.full - fill_rate.full;
- b.full = rfixed_mul(b, wm1.active_time);
- a.full = rfixed_mul(wm1.worst_case_latency,
+ b.full = dfixed_mul(b, wm1.active_time);
+ a.full = dfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
a.full = a.full + b.full;
- b.full = rfixed_const(16 * 1000);
- priority_mark12.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark12.full = dfixed_div(a, b);
} else {
- a.full = rfixed_mul(wm1.worst_case_latency,
+ a.full = dfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
- b.full = rfixed_const(16 * 1000);
- priority_mark12.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark12.full = dfixed_div(a, b);
}
if (wm1.priority_mark.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark.full;
- if (rfixed_trunc(priority_mark12) < 0)
+ if (dfixed_trunc(priority_mark12) < 0)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
- d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+ d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
if (rdev->disp_priority == 2)
d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
WREG32(R_006548_D1MODE_PRIORITY_A_CNT,
return;
}
- if (crtc->vsc.full > rfixed_const(2))
- wm->num_line_pair.full = rfixed_const(2);
+ if (crtc->vsc.full > dfixed_const(2))
+ wm->num_line_pair.full = dfixed_const(2);
else
- wm->num_line_pair.full = rfixed_const(1);
-
- b.full = rfixed_const(mode->crtc_hdisplay);
- c.full = rfixed_const(256);
- a.full = rfixed_div(b, c);
- request_fifo_depth.full = rfixed_mul(a, wm->num_line_pair);
- request_fifo_depth.full = rfixed_ceil(request_fifo_depth);
- if (a.full < rfixed_const(4)) {
+ wm->num_line_pair.full = dfixed_const(1);
+
+ b.full = dfixed_const(mode->crtc_hdisplay);
+ c.full = dfixed_const(256);
+ a.full = dfixed_div(b, c);
+ request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
+ request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
+ if (a.full < dfixed_const(4)) {
wm->lb_request_fifo_depth = 4;
} else {
- wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
+ wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
}
/* Determine consumption rate
* vsc = vertical scaling ratio, defined as source/destination
* hsc = horizontal scaling ration, defined as source/destination
*/
- a.full = rfixed_const(mode->clock);
- b.full = rfixed_const(1000);
- a.full = rfixed_div(a, b);
- pclk.full = rfixed_div(b, a);
+ a.full = dfixed_const(mode->clock);
+ b.full = dfixed_const(1000);
+ a.full = dfixed_div(a, b);
+ pclk.full = dfixed_div(b, a);
if (crtc->rmx_type != RMX_OFF) {
- b.full = rfixed_const(2);
+ b.full = dfixed_const(2);
if (crtc->vsc.full > b.full)
b.full = crtc->vsc.full;
- b.full = rfixed_mul(b, crtc->hsc);
- c.full = rfixed_const(2);
- b.full = rfixed_div(b, c);
- consumption_time.full = rfixed_div(pclk, b);
+ b.full = dfixed_mul(b, crtc->hsc);
+ c.full = dfixed_const(2);
+ b.full = dfixed_div(b, c);
+ consumption_time.full = dfixed_div(pclk, b);
} else {
consumption_time.full = pclk.full;
}
- a.full = rfixed_const(1);
- wm->consumption_rate.full = rfixed_div(a, consumption_time);
+ a.full = dfixed_const(1);
+ wm->consumption_rate.full = dfixed_div(a, consumption_time);
/* Determine line time
* LineTime = total number of horizontal pixels
* pclk = pixel clock period(ns)
*/
- a.full = rfixed_const(crtc->base.mode.crtc_htotal);
- line_time.full = rfixed_mul(a, pclk);
+ a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+ line_time.full = dfixed_mul(a, pclk);
/* Determine active time
* ActiveTime = time of active region of display within one line,
* hactive = total number of horizontal active pixels
* htotal = total number of horizontal pixels
*/
- a.full = rfixed_const(crtc->base.mode.crtc_htotal);
- b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
- wm->active_time.full = rfixed_mul(line_time, b);
- wm->active_time.full = rfixed_div(wm->active_time, a);
+ a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+ b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+ wm->active_time.full = dfixed_mul(line_time, b);
+ wm->active_time.full = dfixed_div(wm->active_time, a);
/* Determine chunk time
* ChunkTime = the time it takes the DCP to send one chunk of data
* to the LB which consists of pipeline delay and inter chunk gap
* sclk = system clock(Mhz)
*/
- a.full = rfixed_const(600 * 1000);
- chunk_time.full = rfixed_div(a, rdev->pm.sclk);
- read_delay_latency.full = rfixed_const(1000);
+ a.full = dfixed_const(600 * 1000);
+ chunk_time.full = dfixed_div(a, rdev->pm.sclk);
+ read_delay_latency.full = dfixed_const(1000);
/* Determine the worst case latency
* NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
* ChunkTime = time it takes the DCP to send one chunk of data to the LB
* which consists of pipeline delay and inter chunk gap
*/
- if (rfixed_trunc(wm->num_line_pair) > 1) {
- a.full = rfixed_const(3);
- wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
+ if (dfixed_trunc(wm->num_line_pair) > 1) {
+ a.full = dfixed_const(3);
+ wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
wm->worst_case_latency.full += read_delay_latency.full;
} else {
wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
* of data to the LB which consists of
* pipeline delay and inter chunk gap
*/
- if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
+ if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
tolerable_latency.full = line_time.full;
} else {
- tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
+ tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
- tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
+ tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
tolerable_latency.full = line_time.full - tolerable_latency.full;
}
/* We assume worst case 32bits (4 bytes) */
- wm->dbpp.full = rfixed_const(2 * 16);
+ wm->dbpp.full = dfixed_const(2 * 16);
/* Determine the maximum priority mark
* width = viewport width in pixels
*/
- a.full = rfixed_const(16);
- wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
- wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
- wm->priority_mark_max.full = rfixed_ceil(wm->priority_mark_max);
+ a.full = dfixed_const(16);
+ wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+ wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
+ wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
/* Determine estimated width */
estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
- estimated_width.full = rfixed_div(estimated_width, consumption_time);
- if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
+ estimated_width.full = dfixed_div(estimated_width, consumption_time);
+ if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
wm->priority_mark.full = wm->priority_mark_max.full;
} else {
- a.full = rfixed_const(16);
- wm->priority_mark.full = rfixed_div(estimated_width, a);
- wm->priority_mark.full = rfixed_ceil(wm->priority_mark);
+ a.full = dfixed_const(16);
+ wm->priority_mark.full = dfixed_div(estimated_width, a);
+ wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
}
}
WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
if (mode0 && mode1) {
- if (rfixed_trunc(wm0.dbpp) > 64)
- a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
+ if (dfixed_trunc(wm0.dbpp) > 64)
+ a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
else
a.full = wm0.num_line_pair.full;
- if (rfixed_trunc(wm1.dbpp) > 64)
- b.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
+ if (dfixed_trunc(wm1.dbpp) > 64)
+ b.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
else
b.full = wm1.num_line_pair.full;
a.full += b.full;
- fill_rate.full = rfixed_div(wm0.sclk, a);
+ fill_rate.full = dfixed_div(wm0.sclk, a);
if (wm0.consumption_rate.full > fill_rate.full) {
b.full = wm0.consumption_rate.full - fill_rate.full;
- b.full = rfixed_mul(b, wm0.active_time);
- a.full = rfixed_const(16);
- b.full = rfixed_div(b, a);
- a.full = rfixed_mul(wm0.worst_case_latency,
+ b.full = dfixed_mul(b, wm0.active_time);
+ a.full = dfixed_const(16);
+ b.full = dfixed_div(b, a);
+ a.full = dfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
priority_mark02.full = a.full + b.full;
} else {
- a.full = rfixed_mul(wm0.worst_case_latency,
+ a.full = dfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
- b.full = rfixed_const(16 * 1000);
- priority_mark02.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark02.full = dfixed_div(a, b);
}
if (wm1.consumption_rate.full > fill_rate.full) {
b.full = wm1.consumption_rate.full - fill_rate.full;
- b.full = rfixed_mul(b, wm1.active_time);
- a.full = rfixed_const(16);
- b.full = rfixed_div(b, a);
- a.full = rfixed_mul(wm1.worst_case_latency,
+ b.full = dfixed_mul(b, wm1.active_time);
+ a.full = dfixed_const(16);
+ b.full = dfixed_div(b, a);
+ a.full = dfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
priority_mark12.full = a.full + b.full;
} else {
- a.full = rfixed_mul(wm1.worst_case_latency,
+ a.full = dfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
- b.full = rfixed_const(16 * 1000);
- priority_mark12.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark12.full = dfixed_div(a, b);
}
if (wm0.priority_mark.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark.full;
- if (rfixed_trunc(priority_mark02) < 0)
+ if (dfixed_trunc(priority_mark02) < 0)
priority_mark02.full = 0;
if (wm0.priority_mark_max.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark_max.full;
if (wm1.priority_mark.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark.full;
- if (rfixed_trunc(priority_mark12) < 0)
+ if (dfixed_trunc(priority_mark12) < 0)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
- d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
- d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+ d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
+ d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
if (rdev->disp_priority == 2) {
d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
} else if (mode0) {
- if (rfixed_trunc(wm0.dbpp) > 64)
- a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
+ if (dfixed_trunc(wm0.dbpp) > 64)
+ a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
else
a.full = wm0.num_line_pair.full;
- fill_rate.full = rfixed_div(wm0.sclk, a);
+ fill_rate.full = dfixed_div(wm0.sclk, a);
if (wm0.consumption_rate.full > fill_rate.full) {
b.full = wm0.consumption_rate.full - fill_rate.full;
- b.full = rfixed_mul(b, wm0.active_time);
- a.full = rfixed_const(16);
- b.full = rfixed_div(b, a);
- a.full = rfixed_mul(wm0.worst_case_latency,
+ b.full = dfixed_mul(b, wm0.active_time);
+ a.full = dfixed_const(16);
+ b.full = dfixed_div(b, a);
+ a.full = dfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
priority_mark02.full = a.full + b.full;
} else {
- a.full = rfixed_mul(wm0.worst_case_latency,
+ a.full = dfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
- b.full = rfixed_const(16);
- priority_mark02.full = rfixed_div(a, b);
+ b.full = dfixed_const(16);
+ priority_mark02.full = dfixed_div(a, b);
}
if (wm0.priority_mark.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark.full;
- if (rfixed_trunc(priority_mark02) < 0)
+ if (dfixed_trunc(priority_mark02) < 0)
priority_mark02.full = 0;
if (wm0.priority_mark_max.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark_max.full;
- d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
+ d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
if (rdev->disp_priority == 2)
d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
} else {
- if (rfixed_trunc(wm1.dbpp) > 64)
- a.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
+ if (dfixed_trunc(wm1.dbpp) > 64)
+ a.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
else
a.full = wm1.num_line_pair.full;
- fill_rate.full = rfixed_div(wm1.sclk, a);
+ fill_rate.full = dfixed_div(wm1.sclk, a);
if (wm1.consumption_rate.full > fill_rate.full) {
b.full = wm1.consumption_rate.full - fill_rate.full;
- b.full = rfixed_mul(b, wm1.active_time);
- a.full = rfixed_const(16);
- b.full = rfixed_div(b, a);
- a.full = rfixed_mul(wm1.worst_case_latency,
+ b.full = dfixed_mul(b, wm1.active_time);
+ a.full = dfixed_const(16);
+ b.full = dfixed_div(b, a);
+ a.full = dfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
priority_mark12.full = a.full + b.full;
} else {
- a.full = rfixed_mul(wm1.worst_case_latency,
+ a.full = dfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
- b.full = rfixed_const(16 * 1000);
- priority_mark12.full = rfixed_div(a, b);
+ b.full = dfixed_const(16 * 1000);
+ priority_mark12.full = dfixed_div(a, b);
}
if (wm1.priority_mark.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark.full;
- if (rfixed_trunc(priority_mark12) < 0)
+ if (dfixed_trunc(priority_mark12) < 0)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
- d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+ d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
if (rdev->disp_priority == 2)
d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
--- /dev/null
+/*
+ * Copyright 2009 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ */
+#ifndef DRM_FIXED_H
+#define DRM_FIXED_H
+
+typedef union dfixed {
+ u32 full;
+} fixed20_12;
+
+
+#define dfixed_const(A) (u32)(((A) << 12))/* + ((B + 0.000122)*4096)) */
+#define dfixed_const_half(A) (u32)(((A) << 12) + 2048)
+#define dfixed_const_666(A) (u32)(((A) << 12) + 2731)
+#define dfixed_const_8(A) (u32)(((A) << 12) + 3277)
+#define dfixed_mul(A, B) ((u64)((u64)(A).full * (B).full + 2048) >> 12)
+#define dfixed_init(A) { .full = dfixed_const((A)) }
+#define dfixed_init_half(A) { .full = dfixed_const_half((A)) }
+#define dfixed_trunc(A) ((A).full >> 12)
+
+static inline u32 dfixed_floor(fixed20_12 A)
+{
+ u32 non_frac = dfixed_trunc(A);
+
+ return dfixed_const(non_frac);
+}
+
+static inline u32 dfixed_ceil(fixed20_12 A)
+{
+ u32 non_frac = dfixed_trunc(A);
+
+ if (A.full > dfixed_const(non_frac))
+ return dfixed_const(non_frac + 1);
+ else
+ return dfixed_const(non_frac);
+}
+
+static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B)
+{
+ u64 tmp = ((u64)A.full << 13);
+
+ do_div(tmp, B.full);
+ tmp += 1;
+ tmp /= 2;
+ return lower_32_bits(tmp);
+}
+#endif
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff