u32 intel_dpio_read(struct drm_i915_private *dev_priv, int reg)
{
- unsigned long flags;
- u32 val = 0;
+ WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock));
- spin_lock_irqsave(&dev_priv->dpio_lock, flags);
if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) {
DRM_ERROR("DPIO idle wait timed out\n");
- goto out_unlock;
+ return 0;
}
I915_WRITE(DPIO_REG, reg);
DPIO_BYTE);
if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) {
DRM_ERROR("DPIO read wait timed out\n");
- goto out_unlock;
+ return 0;
}
- val = I915_READ(DPIO_DATA);
-out_unlock:
- spin_unlock_irqrestore(&dev_priv->dpio_lock, flags);
- return val;
+ return I915_READ(DPIO_DATA);
}
static void intel_dpio_write(struct drm_i915_private *dev_priv, int reg,
u32 val)
{
- unsigned long flags;
+ WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock));
- spin_lock_irqsave(&dev_priv->dpio_lock, flags);
if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) {
DRM_ERROR("DPIO idle wait timed out\n");
- goto out_unlock;
+ return;
}
I915_WRITE(DPIO_DATA, val);
DPIO_BYTE);
if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100))
DRM_ERROR("DPIO write wait timed out\n");
-
-out_unlock:
- spin_unlock_irqrestore(&dev_priv->dpio_lock, flags);
}
static void vlv_init_dpio(struct drm_device *dev)
POSTING_READ(DPIO_CTL);
}
-static int intel_dual_link_lvds_callback(const struct dmi_system_id *id)
-{
- DRM_INFO("Forcing lvds to dual link mode on %s\n", id->ident);
- return 1;
-}
-
-static const struct dmi_system_id intel_dual_link_lvds[] = {
- {
- .callback = intel_dual_link_lvds_callback,
- .ident = "Apple MacBook Pro (Core i5/i7 Series)",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro8,2"),
- },
- },
- { } /* terminating entry */
-};
-
-static bool is_dual_link_lvds(struct drm_i915_private *dev_priv,
- unsigned int reg)
-{
- unsigned int val;
-
- /* use the module option value if specified */
- if (i915_lvds_channel_mode > 0)
- return i915_lvds_channel_mode == 2;
-
- if (dmi_check_system(intel_dual_link_lvds))
- return true;
-
- if (dev_priv->lvds_val)
- val = dev_priv->lvds_val;
- else {
- /* BIOS should set the proper LVDS register value at boot, but
- * in reality, it doesn't set the value when the lid is closed;
- * we need to check "the value to be set" in VBT when LVDS
- * register is uninitialized.
- */
- val = I915_READ(reg);
- if (!(val & ~(LVDS_PIPE_MASK | LVDS_DETECTED)))
- val = dev_priv->bios_lvds_val;
- dev_priv->lvds_val = val;
- }
- return (val & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP;
-}
-
static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc,
int refclk)
{
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
const intel_limit_t *limit;
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
- if (is_dual_link_lvds(dev_priv, PCH_LVDS)) {
+ if (intel_is_dual_link_lvds(dev)) {
/* LVDS dual channel */
if (refclk == 100000)
limit = &intel_limits_ironlake_dual_lvds_100m;
static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
const intel_limit_t *limit;
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
- if (is_dual_link_lvds(dev_priv, LVDS))
+ if (intel_is_dual_link_lvds(dev))
/* LVDS with dual channel */
limit = &intel_limits_g4x_dual_channel_lvds;
else
{
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
intel_clock_t clock;
int err = target;
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
- (I915_READ(LVDS)) != 0) {
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
/*
- * For LVDS, if the panel is on, just rely on its current
- * settings for dual-channel. We haven't figured out how to
- * reliably set up different single/dual channel state, if we
- * even can.
+ * For LVDS just rely on its current settings for dual-channel.
+ * We haven't figured out how to reliably set up different
+ * single/dual channel state, if we even can.
*/
- if (is_dual_link_lvds(dev_priv, LVDS))
+ if (intel_is_dual_link_lvds(dev))
clock.p2 = limit->p2.p2_fast;
else
clock.p2 = limit->p2.p2_slow;
intel_clock_t *best_clock)
{
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
intel_clock_t clock;
int max_n;
bool found;
lvds_reg = PCH_LVDS;
else
lvds_reg = LVDS;
- if ((I915_READ(lvds_reg) & LVDS_CLKB_POWER_MASK) ==
- LVDS_CLKB_POWER_UP)
+ if (intel_is_dual_link_lvds(dev))
clock.p2 = limit->p2.p2_fast;
else
clock.p2 = limit->p2.p2_slow;
}
}
+/*
+ * ibx_digital_port_connected - is the specified port connected?
+ * @dev_priv: i915 private structure
+ * @port: the port to test
+ *
+ * Returns true if @port is connected, false otherwise.
+ */
+bool ibx_digital_port_connected(struct drm_i915_private *dev_priv,
+ struct intel_digital_port *port)
+{
+ u32 bit;
+
+ if (HAS_PCH_IBX(dev_priv->dev)) {
+ switch(port->port) {
+ case PORT_B:
+ bit = SDE_PORTB_HOTPLUG;
+ break;
+ case PORT_C:
+ bit = SDE_PORTC_HOTPLUG;
+ break;
+ case PORT_D:
+ bit = SDE_PORTD_HOTPLUG;
+ break;
+ default:
+ return true;
+ }
+ } else {
+ switch(port->port) {
+ case PORT_B:
+ bit = SDE_PORTB_HOTPLUG_CPT;
+ break;
+ case PORT_C:
+ bit = SDE_PORTC_HOTPLUG_CPT;
+ break;
+ case PORT_D:
+ bit = SDE_PORTD_HOTPLUG_CPT;
+ break;
+ default:
+ return true;
+ }
+ }
+
+ return I915_READ(SDEISR) & bit;
+}
+
static const char *state_string(bool enabled)
{
return enabled ? "on" : "off";
enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
pipe);
- if (IS_HASWELL(dev_priv->dev)) {
- /* On Haswell, DDI is used instead of FDI_TX_CTL */
+ if (HAS_DDI(dev_priv->dev)) {
+ /* DDI does not have a specific FDI_TX register */
reg = TRANS_DDI_FUNC_CTL(cpu_transcoder);
val = I915_READ(reg);
cur_state = !!(val & TRANS_DDI_FUNC_ENABLE);
return;
/* On Haswell, DDI ports are responsible for the FDI PLL setup */
- if (IS_HASWELL(dev_priv->dev))
+ if (HAS_DDI(dev_priv->dev))
return;
reg = FDI_TX_CTL(pipe);
intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
enum intel_sbi_destination destination)
{
- unsigned long flags;
u32 tmp;
- spin_lock_irqsave(&dev_priv->dpio_lock, flags);
- if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, 100)) {
+ WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock));
+
+ if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0,
+ 100)) {
DRM_ERROR("timeout waiting for SBI to become ready\n");
- goto out_unlock;
+ return;
}
I915_WRITE(SBI_ADDR, (reg << 16));
if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0,
100)) {
DRM_ERROR("timeout waiting for SBI to complete write transaction\n");
- goto out_unlock;
+ return;
}
-
-out_unlock:
- spin_unlock_irqrestore(&dev_priv->dpio_lock, flags);
}
static u32
intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg,
enum intel_sbi_destination destination)
{
- unsigned long flags;
u32 value = 0;
+ WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock));
- spin_lock_irqsave(&dev_priv->dpio_lock, flags);
- if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, 100)) {
+ if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0,
+ 100)) {
DRM_ERROR("timeout waiting for SBI to become ready\n");
- goto out_unlock;
+ return 0;
}
I915_WRITE(SBI_ADDR, (reg << 16));
if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0,
100)) {
DRM_ERROR("timeout waiting for SBI to complete read transaction\n");
- goto out_unlock;
+ return 0;
}
- value = I915_READ(SBI_DATA);
-
-out_unlock:
- spin_unlock_irqrestore(&dev_priv->dpio_lock, flags);
- return value;
+ return I915_READ(SBI_DATA);
}
/**
* make the BPC in transcoder be consistent with
* that in pipeconf reg.
*/
- val &= ~PIPE_BPC_MASK;
- val |= pipeconf_val & PIPE_BPC_MASK;
+ val &= ~PIPECONF_BPC_MASK;
+ val |= pipeconf_val & PIPECONF_BPC_MASK;
}
val &= ~TRANS_INTERLACE_MASK;
BUG_ON(dev_priv->info->gen < 5);
/* FDI must be feeding us bits for PCH ports */
- assert_fdi_tx_enabled(dev_priv, cpu_transcoder);
+ assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder);
assert_fdi_rx_enabled(dev_priv, TRANSCODER_A);
/* Workaround: set timing override bit. */
{
enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
pipe);
- enum transcoder pch_transcoder;
+ enum pipe pch_transcoder;
int reg;
u32 val;
- if (IS_HASWELL(dev_priv->dev))
+ if (HAS_PCH_LPT(dev_priv->dev))
pch_transcoder = TRANSCODER_A;
else
pch_transcoder = pipe;
if (pch_port) {
/* if driving the PCH, we need FDI enabled */
assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder);
- assert_fdi_tx_pll_enabled(dev_priv, cpu_transcoder);
+ assert_fdi_tx_pll_enabled(dev_priv,
+ (enum pipe) cpu_transcoder);
}
/* FIXME: assert CPU port conditions for SNB+ */
}
return 0;
}
-static void ironlake_set_pll_edp(struct drm_crtc *crtc, int clock)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- u32 dpa_ctl;
-
- DRM_DEBUG_KMS("eDP PLL enable for clock %d\n", clock);
- dpa_ctl = I915_READ(DP_A);
- dpa_ctl &= ~DP_PLL_FREQ_MASK;
-
- if (clock < 200000) {
- u32 temp;
- dpa_ctl |= DP_PLL_FREQ_160MHZ;
- /* workaround for 160Mhz:
- 1) program 0x4600c bits 15:0 = 0x8124
- 2) program 0x46010 bit 0 = 1
- 3) program 0x46034 bit 24 = 1
- 4) program 0x64000 bit 14 = 1
- */
- temp = I915_READ(0x4600c);
- temp &= 0xffff0000;
- I915_WRITE(0x4600c, temp | 0x8124);
-
- temp = I915_READ(0x46010);
- I915_WRITE(0x46010, temp | 1);
-
- temp = I915_READ(0x46034);
- I915_WRITE(0x46034, temp | (1 << 24));
- } else {
- dpa_ctl |= DP_PLL_FREQ_270MHZ;
- }
- I915_WRITE(DP_A, dpa_ctl);
-
- POSTING_READ(DP_A);
- udelay(500);
-}
-
static void intel_fdi_normal_train(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
temp = I915_READ(reg);
temp &= ~((0x7 << 19) | (0x7 << 16));
temp |= (intel_crtc->fdi_lanes - 1) << 19;
- temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+ temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11;
I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE);
POSTING_READ(reg);
POSTING_READ(reg);
udelay(200);
- /* On Haswell, the PLL configuration for ports and pipes is handled
- * separately, as part of DDI setup */
- if (!IS_HASWELL(dev)) {
- /* Enable CPU FDI TX PLL, always on for Ironlake */
- reg = FDI_TX_CTL(pipe);
- temp = I915_READ(reg);
- if ((temp & FDI_TX_PLL_ENABLE) == 0) {
- I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE);
+ /* Enable CPU FDI TX PLL, always on for Ironlake */
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ if ((temp & FDI_TX_PLL_ENABLE) == 0) {
+ I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE);
- POSTING_READ(reg);
- udelay(100);
- }
+ POSTING_READ(reg);
+ udelay(100);
}
}
reg = FDI_RX_CTL(pipe);
temp = I915_READ(reg);
temp &= ~(0x7 << 16);
- temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+ temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11;
I915_WRITE(reg, temp & ~FDI_RX_ENABLE);
POSTING_READ(reg);
}
/* BPC in FDI rx is consistent with that in PIPECONF */
temp &= ~(0x07 << 16);
- temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+ temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11;
I915_WRITE(reg, temp);
POSTING_READ(reg);
u32 divsel, phaseinc, auxdiv, phasedir = 0;
u32 temp;
+ mutex_lock(&dev_priv->dpio_lock);
+
/* It is necessary to ungate the pixclk gate prior to programming
* the divisors, and gate it back when it is done.
*/
udelay(24);
I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE);
+
+ mutex_unlock(&dev_priv->dpio_lock);
}
/*
if (HAS_PCH_CPT(dev) &&
(intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
- u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) >> 5;
+ u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5;
reg = TRANS_DP_CTL(pipe);
temp = I915_READ(reg);
temp &= ~(TRANS_DP_PORT_SEL_MASK |
/* Stop saying we're using TRANSCODER_EDP because some other CRTC might
* start using it. */
- intel_crtc->cpu_transcoder = intel_crtc->pipe;
+ intel_crtc->cpu_transcoder = (enum transcoder) intel_crtc->pipe;
intel_ddi_put_crtc_pll(crtc);
}
return 133000;
}
-struct fdi_m_n {
- u32 tu;
- u32 gmch_m;
- u32 gmch_n;
- u32 link_m;
- u32 link_n;
-};
-
static void
-fdi_reduce_ratio(u32 *num, u32 *den)
+intel_reduce_ratio(uint32_t *num, uint32_t *den)
{
while (*num > 0xffffff || *den > 0xffffff) {
*num >>= 1;
}
}
-static void
-ironlake_compute_m_n(int bits_per_pixel, int nlanes, int pixel_clock,
- int link_clock, struct fdi_m_n *m_n)
+void
+intel_link_compute_m_n(int bits_per_pixel, int nlanes,
+ int pixel_clock, int link_clock,
+ struct intel_link_m_n *m_n)
{
- m_n->tu = 64; /* default size */
-
- /* BUG_ON(pixel_clock > INT_MAX / 36); */
+ m_n->tu = 64;
m_n->gmch_m = bits_per_pixel * pixel_clock;
m_n->gmch_n = link_clock * nlanes * 8;
- fdi_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);
-
+ intel_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);
m_n->link_m = pixel_clock;
m_n->link_n = link_clock;
- fdi_reduce_ratio(&m_n->link_m, &m_n->link_n);
+ intel_reduce_ratio(&m_n->link_m, &m_n->link_n);
}
static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
}
}
-static void intel_update_lvds(struct drm_crtc *crtc, intel_clock_t *clock,
- struct drm_display_mode *adjusted_mode)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int pipe = intel_crtc->pipe;
- u32 temp;
-
- temp = I915_READ(LVDS);
- temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
- if (pipe == 1) {
- temp |= LVDS_PIPEB_SELECT;
- } else {
- temp &= ~LVDS_PIPEB_SELECT;
- }
- /* set the corresponsding LVDS_BORDER bit */
- temp |= dev_priv->lvds_border_bits;
- /* Set the B0-B3 data pairs corresponding to whether we're going to
- * set the DPLLs for dual-channel mode or not.
- */
- if (clock->p2 == 7)
- temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
- else
- temp &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-
- /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
- * appropriately here, but we need to look more thoroughly into how
- * panels behave in the two modes.
- */
- /* set the dithering flag on LVDS as needed */
- if (INTEL_INFO(dev)->gen >= 4) {
- if (dev_priv->lvds_dither)
- temp |= LVDS_ENABLE_DITHER;
- else
- temp &= ~LVDS_ENABLE_DITHER;
- }
- temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY);
- if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
- temp |= LVDS_HSYNC_POLARITY;
- if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
- temp |= LVDS_VSYNC_POLARITY;
- I915_WRITE(LVDS, temp);
-}
-
static void vlv_update_pll(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
bool is_sdvo;
u32 temp;
+ mutex_lock(&dev_priv->dpio_lock);
+
is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ||
intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI);
temp |= (1 << 21);
intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL2, temp);
}
+
+ mutex_unlock(&dev_priv->dpio_lock);
}
static void i9xx_update_pll(struct drm_crtc *crtc,
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
u32 dpll;
bool is_sdvo;
POSTING_READ(DPLL(pipe));
udelay(150);
- /* The LVDS pin pair needs to be on before the DPLLs are enabled.
- * This is an exception to the general rule that mode_set doesn't turn
- * things on.
- */
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
- intel_update_lvds(crtc, clock, adjusted_mode);
+ for_each_encoder_on_crtc(dev, crtc, encoder)
+ if (encoder->pre_pll_enable)
+ encoder->pre_pll_enable(encoder);
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT))
intel_dp_set_m_n(crtc, mode, adjusted_mode);
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
u32 dpll;
POSTING_READ(DPLL(pipe));
udelay(150);
- /* The LVDS pin pair needs to be on before the DPLLs are enabled.
- * This is an exception to the general rule that mode_set doesn't turn
- * things on.
- */
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
- intel_update_lvds(crtc, clock, adjusted_mode);
+ for_each_encoder_on_crtc(dev, crtc, encoder)
+ if (encoder->pre_pll_enable)
+ encoder->pre_pll_enable(encoder);
I915_WRITE(DPLL(pipe), dpll);
}
/* default to 8bpc */
- pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
+ pipeconf &= ~(PIPECONF_BPC_MASK | PIPECONF_DITHER_EN);
if (is_dp) {
if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
- pipeconf |= PIPECONF_BPP_6 |
+ pipeconf |= PIPECONF_6BPC |
PIPECONF_DITHER_EN |
PIPECONF_DITHER_TYPE_SP;
}
if (IS_VALLEYVIEW(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) {
if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
- pipeconf |= PIPECONF_BPP_6 |
+ pipeconf |= PIPECONF_6BPC |
PIPECONF_ENABLE |
I965_PIPECONF_ACTIVE;
}
val = I915_READ(PIPECONF(pipe));
- val &= ~PIPE_BPC_MASK;
+ val &= ~PIPECONF_BPC_MASK;
switch (intel_crtc->bpp) {
case 18:
- val |= PIPE_6BPC;
+ val |= PIPECONF_6BPC;
break;
case 24:
- val |= PIPE_8BPC;
+ val |= PIPECONF_8BPC;
break;
case 30:
- val |= PIPE_10BPC;
+ val |= PIPECONF_10BPC;
break;
case 36:
- val |= PIPE_12BPC;
+ val |= PIPECONF_12BPC;
break;
default:
/* Case prevented by intel_choose_pipe_bpp_dither. */
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder;
struct intel_encoder *intel_encoder, *edp_encoder = NULL;
- struct fdi_m_n m_n = {0};
+ struct intel_link_m_n m_n = {0};
int target_clock, pixel_multiplier, lane, link_bw;
bool is_dp = false, is_cpu_edp = false;
if (pixel_multiplier > 1)
link_bw *= pixel_multiplier;
- ironlake_compute_m_n(intel_crtc->bpp, lane, target_clock, link_bw,
- &m_n);
+ intel_link_compute_m_n(intel_crtc->bpp, lane, target_clock, link_bw, &m_n);
I915_WRITE(PIPE_DATA_M1(cpu_transcoder), TU_SIZE(m_n.tu) | m_n.gmch_m);
I915_WRITE(PIPE_DATA_N1(cpu_transcoder), m_n.gmch_n);
if (is_lvds) {
if ((intel_panel_use_ssc(dev_priv) &&
dev_priv->lvds_ssc_freq == 100) ||
- (I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP)
+ intel_is_dual_link_lvds(dev))
factor = 25;
} else if (is_sdvo && is_tv)
factor = 20;
bool ok, has_reduced_clock = false;
bool is_lvds = false, is_dp = false, is_cpu_edp = false;
struct intel_encoder *encoder;
- u32 temp;
int ret;
bool dither, fdi_config_ok;
} else
intel_put_pch_pll(intel_crtc);
- /* The LVDS pin pair needs to be on before the DPLLs are enabled.
- * This is an exception to the general rule that mode_set doesn't turn
- * things on.
- */
- if (is_lvds) {
- temp = I915_READ(PCH_LVDS);
- temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
- if (HAS_PCH_CPT(dev)) {
- temp &= ~PORT_TRANS_SEL_MASK;
- temp |= PORT_TRANS_SEL_CPT(pipe);
- } else {
- if (pipe == 1)
- temp |= LVDS_PIPEB_SELECT;
- else
- temp &= ~LVDS_PIPEB_SELECT;
- }
-
- /* set the corresponsding LVDS_BORDER bit */
- temp |= dev_priv->lvds_border_bits;
- /* Set the B0-B3 data pairs corresponding to whether we're going to
- * set the DPLLs for dual-channel mode or not.
- */
- if (clock.p2 == 7)
- temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
- else
- temp &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-
- /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
- * appropriately here, but we need to look more thoroughly into how
- * panels behave in the two modes.
- */
- temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY);
- if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
- temp |= LVDS_HSYNC_POLARITY;
- if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
- temp |= LVDS_VSYNC_POLARITY;
- I915_WRITE(PCH_LVDS, temp);
- }
-
- if (is_dp && !is_cpu_edp) {
+ if (is_dp && !is_cpu_edp)
intel_dp_set_m_n(crtc, mode, adjusted_mode);
- } else {
- /* For non-DP output, clear any trans DP clock recovery setting.*/
- I915_WRITE(TRANSDATA_M1(pipe), 0);
- I915_WRITE(TRANSDATA_N1(pipe), 0);
- I915_WRITE(TRANSDPLINK_M1(pipe), 0);
- I915_WRITE(TRANSDPLINK_N1(pipe), 0);
- }
+
+ for_each_encoder_on_crtc(dev, crtc, encoder)
+ if (encoder->pre_pll_enable)
+ encoder->pre_pll_enable(encoder);
if (intel_crtc->pch_pll) {
I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll);
fdi_config_ok = ironlake_check_fdi_lanes(intel_crtc);
- if (is_cpu_edp)
- ironlake_set_pll_edp(crtc, adjusted_mode->clock);
-
ironlake_set_pipeconf(crtc, adjusted_mode, dither);
intel_wait_for_vblank(dev, pipe);
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
int num_connectors = 0;
- intel_clock_t clock, reduced_clock;
- u32 dpll = 0, fp = 0, fp2 = 0;
- bool ok, has_reduced_clock = false;
- bool is_lvds = false, is_dp = false, is_cpu_edp = false;
+ bool is_dp = false, is_cpu_edp = false;
struct intel_encoder *encoder;
- u32 temp;
int ret;
bool dither;
for_each_encoder_on_crtc(dev, crtc, encoder) {
switch (encoder->type) {
- case INTEL_OUTPUT_LVDS:
- is_lvds = true;
- break;
case INTEL_OUTPUT_DISPLAYPORT:
is_dp = true;
break;
if (!intel_ddi_pll_mode_set(crtc, adjusted_mode->clock))
return -EINVAL;
- if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
- ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock,
- &has_reduced_clock,
- &reduced_clock);
- if (!ok) {
- DRM_ERROR("Couldn't find PLL settings for mode!\n");
- return -EINVAL;
- }
- }
-
/* Ensure that the cursor is valid for the new mode before changing... */
intel_crtc_update_cursor(crtc, true);
/* determine panel color depth */
dither = intel_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp,
adjusted_mode);
- if (is_lvds && dev_priv->lvds_dither)
- dither = true;
DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe);
drm_mode_debug_printmodeline(mode);
- if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
- fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
- if (has_reduced_clock)
- fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 |
- reduced_clock.m2;
-
- dpll = ironlake_compute_dpll(intel_crtc, adjusted_mode, &clock,
- fp);
-
- /* CPU eDP is the only output that doesn't need a PCH PLL of its
- * own on pre-Haswell/LPT generation */
- if (!is_cpu_edp) {
- struct intel_pch_pll *pll;
-
- pll = intel_get_pch_pll(intel_crtc, dpll, fp);
- if (pll == NULL) {
- DRM_DEBUG_DRIVER("failed to find PLL for pipe %d\n",
- pipe);
- return -EINVAL;
- }
- } else
- intel_put_pch_pll(intel_crtc);
-
- /* The LVDS pin pair needs to be on before the DPLLs are
- * enabled. This is an exception to the general rule that
- * mode_set doesn't turn things on.
- */
- if (is_lvds) {
- temp = I915_READ(PCH_LVDS);
- temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
- if (HAS_PCH_CPT(dev)) {
- temp &= ~PORT_TRANS_SEL_MASK;
- temp |= PORT_TRANS_SEL_CPT(pipe);
- } else {
- if (pipe == 1)
- temp |= LVDS_PIPEB_SELECT;
- else
- temp &= ~LVDS_PIPEB_SELECT;
- }
-
- /* set the corresponsding LVDS_BORDER bit */
- temp |= dev_priv->lvds_border_bits;
- /* Set the B0-B3 data pairs corresponding to whether
- * we're going to set the DPLLs for dual-channel mode or
- * not.
- */
- if (clock.p2 == 7)
- temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
- else
- temp &= ~(LVDS_B0B3_POWER_UP |
- LVDS_CLKB_POWER_UP);
-
- /* It would be nice to set 24 vs 18-bit mode
- * (LVDS_A3_POWER_UP) appropriately here, but we need to
- * look more thoroughly into how panels behave in the
- * two modes.
- */
- temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY);
- if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
- temp |= LVDS_HSYNC_POLARITY;
- if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
- temp |= LVDS_VSYNC_POLARITY;
- I915_WRITE(PCH_LVDS, temp);
- }
- }
-
- if (is_dp && !is_cpu_edp) {
+ if (is_dp && !is_cpu_edp)
intel_dp_set_m_n(crtc, mode, adjusted_mode);
- } else {
- if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
- /* For non-DP output, clear any trans DP clock recovery
- * setting.*/
- I915_WRITE(TRANSDATA_M1(pipe), 0);
- I915_WRITE(TRANSDATA_N1(pipe), 0);
- I915_WRITE(TRANSDPLINK_M1(pipe), 0);
- I915_WRITE(TRANSDPLINK_N1(pipe), 0);
- }
- }
intel_crtc->lowfreq_avail = false;
- if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) {
- if (intel_crtc->pch_pll) {
- I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll);
-
- /* Wait for the clocks to stabilize. */
- POSTING_READ(intel_crtc->pch_pll->pll_reg);
- udelay(150);
-
- /* The pixel multiplier can only be updated once the
- * DPLL is enabled and the clocks are stable.
- *
- * So write it again.
- */
- I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll);
- }
-
- if (intel_crtc->pch_pll) {
- if (is_lvds && has_reduced_clock && i915_powersave) {
- I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp2);
- intel_crtc->lowfreq_avail = true;
- } else {
- I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp);
- }
- }
- }
intel_set_pipe_timings(intel_crtc, mode, adjusted_mode);
if (!is_dp || is_cpu_edp)
ironlake_set_m_n(crtc, mode, adjusted_mode);
- if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
- if (is_cpu_edp)
- ironlake_set_pll_edp(crtc, adjusted_mode->clock);
-
haswell_set_pipeconf(crtc, adjusted_mode, dither);
/* Set up the display plane register */
return false;
}
- if (!intel_set_mode(crtc, mode, 0, 0, fb)) {
+ if (intel_set_mode(crtc, mode, 0, 0, fb)) {
DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n");
if (old->release_fb)
old->release_fb->funcs->destroy(old->release_fb);
obj = work->old_fb_obj;
- atomic_clear_mask(1 << intel_crtc->plane,
- &obj->pending_flip.counter);
wake_up(&dev_priv->pending_flip_queue);
queue_work(dev_priv->wq, &work->work);
work->enable_stall_check = true;
- /* Block clients from rendering to the new back buffer until
- * the flip occurs and the object is no longer visible.
- */
- atomic_add(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
atomic_inc(&intel_crtc->unpin_work_count);
ret = dev_priv->display.queue_flip(dev, crtc, fb, obj);
cleanup_pending:
atomic_dec(&intel_crtc->unpin_work_count);
- atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
drm_gem_object_unreference(&work->old_fb_obj->base);
drm_gem_object_unreference(&obj->base);
mutex_unlock(&dev->struct_mutex);
}
}
-bool intel_set_mode(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- int x, int y, struct drm_framebuffer *fb)
+int intel_set_mode(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ int x, int y, struct drm_framebuffer *fb)
{
struct drm_device *dev = crtc->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_display_mode *adjusted_mode, saved_mode, saved_hwmode;
+ struct drm_display_mode *adjusted_mode, *saved_mode, *saved_hwmode;
struct intel_crtc *intel_crtc;
unsigned disable_pipes, prepare_pipes, modeset_pipes;
- bool ret = true;
+ int ret = 0;
+
+ saved_mode = kmalloc(2 * sizeof(*saved_mode), GFP_KERNEL);
+ if (!saved_mode)
+ return -ENOMEM;
+ saved_hwmode = saved_mode + 1;
intel_modeset_affected_pipes(crtc, &modeset_pipes,
&prepare_pipes, &disable_pipes);
for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc)
intel_crtc_disable(&intel_crtc->base);
- saved_hwmode = crtc->hwmode;
- saved_mode = crtc->mode;
+ *saved_hwmode = crtc->hwmode;
+ *saved_mode = crtc->mode;
/* Hack: Because we don't (yet) support global modeset on multiple
* crtcs, we don't keep track of the new mode for more than one crtc.
if (modeset_pipes) {
adjusted_mode = intel_modeset_adjusted_mode(crtc, mode);
if (IS_ERR(adjusted_mode)) {
- return false;
+ ret = PTR_ERR(adjusted_mode);
+ goto out;
}
}
* on the DPLL.
*/
for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) {
- ret = !intel_crtc_mode_set(&intel_crtc->base,
- mode, adjusted_mode,
- x, y, fb);
- if (!ret)
- goto done;
+ ret = intel_crtc_mode_set(&intel_crtc->base,
+ mode, adjusted_mode,
+ x, y, fb);
+ if (ret)
+ goto done;
}
/* Now enable the clocks, plane, pipe, and connectors that we set up. */
/* FIXME: add subpixel order */
done:
drm_mode_destroy(dev, adjusted_mode);
- if (!ret && crtc->enabled) {
- crtc->hwmode = saved_hwmode;
- crtc->mode = saved_mode;
+ if (ret && crtc->enabled) {
+ crtc->hwmode = *saved_hwmode;
+ crtc->mode = *saved_mode;
} else {
intel_modeset_check_state(dev);
}
+out:
+ kfree(saved_mode);
return ret;
}
+void intel_crtc_restore_mode(struct drm_crtc *crtc)
+{
+ intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->fb);
+}
+
#undef for_each_intel_crtc_masked
static void intel_set_config_free(struct intel_set_config *config)
drm_mode_debug_printmodeline(set->mode);
}
- if (!intel_set_mode(set->crtc, set->mode,
- set->x, set->y, set->fb)) {
- DRM_ERROR("failed to set mode on [CRTC:%d]\n",
- set->crtc->base.id);
- ret = -EINVAL;
+ ret = intel_set_mode(set->crtc, set->mode,
+ set->x, set->y, set->fb);
+ if (ret) {
+ DRM_ERROR("failed to set mode on [CRTC:%d], err = %d\n",
+ set->crtc->base.id, ret);
goto fail;
}
} else if (config->fb_changed) {
/* Try to restore the config */
if (config->mode_changed &&
- !intel_set_mode(save_set.crtc, save_set.mode,
- save_set.x, save_set.y, save_set.fb))
+ intel_set_mode(save_set.crtc, save_set.mode,
+ save_set.x, save_set.y, save_set.fb))
DRM_ERROR("failed to restore config after modeset failure\n");
out_config:
static void intel_cpu_pll_init(struct drm_device *dev)
{
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_ddi_pll_init(dev);
}
I915_WRITE(PFIT_CONTROL, 0);
}
- if (!(IS_HASWELL(dev) &&
- (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES)))
+ if (!(HAS_DDI(dev) && (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES)))
intel_crt_init(dev);
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
int found;
/* Haswell uses DDI functions to detect digital outputs */
struct drm_i915_private *dev_priv = dev->dev_private;
/* We always want a DPMS function */
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
dev_priv->display.crtc_mode_set = haswell_crtc_mode_set;
dev_priv->display.crtc_enable = haswell_crtc_enable;
dev_priv->display.crtc_disable = haswell_crtc_disable;
} else if (IS_HASWELL(dev)) {
dev_priv->display.fdi_link_train = hsw_fdi_link_train;
dev_priv->display.write_eld = haswell_write_eld;
- } else
- dev_priv->display.update_wm = NULL;
+ }
} else if (IS_G4X(dev)) {
dev_priv->display.write_eld = g4x_write_eld;
}
/* Just disable it once at startup */
i915_disable_vga(dev);
intel_setup_outputs(dev);
+
+ /* Just in case the BIOS is doing something questionable. */
+ intel_disable_fbc(dev);
}
static void
struct intel_encoder *encoder;
struct intel_connector *connector;
- if (IS_HASWELL(dev)) {
+ if (HAS_DDI(dev)) {
tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP));
if (tmp & TRANS_DDI_FUNC_ENABLE) {
crtc->active ? "enabled" : "disabled");
}
- if (IS_HASWELL(dev))
+ if (HAS_DDI(dev))
intel_ddi_setup_hw_pll_state(dev);
list_for_each_entry(encoder, &dev->mode_config.encoder_list,
if (force_restore) {
for_each_pipe(pipe) {
- crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
- intel_set_mode(&crtc->base, &crtc->base.mode,
- crtc->base.x, crtc->base.y, crtc->base.fb);
+ intel_crtc_restore_mode(dev_priv->pipe_to_crtc_mapping[pipe]);
}
i915_redisable_vga(dev);
flush_scheduled_work();
drm_mode_config_cleanup(dev);
+
+ intel_cleanup_overlay(dev);
}
/*
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff