From e6c4c763661de5c7f3273c24a8878ea9521b27eb Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 5 Nov 2015 14:13:53 +0200 Subject: [PATCH] drm/i915: Parametrize MOCS registers MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit v2: Use for_each_ring() (Chris) Cc: Chris Wilson Cc: Francisco Jerez Signed-off-by: Ville Syrjälä Link: http://patchwork.freedesktop.org/patch/msgid/1446725633-6419-1-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_reg.h | 12 +++---- drivers/gpu/drm/i915/intel_mocs.c | 59 ++++++++++++++++++------------- 2 files changed, 40 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 47fdc949a2fc..fc586fbd96b5 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8165,12 +8165,12 @@ enum skl_disp_power_wells { #define _PALETTE_B (dev_priv->info.display_mmio_offset + 0xa800) /* MOCS (Memory Object Control State) registers */ -#define GEN9_LNCFCMOCS0 0xb020 /* L3 Cache Control base */ +#define GEN9_LNCFCMOCS(i) (0xb020 + (i) * 4) /* L3 Cache Control */ -#define GEN9_GFX_MOCS_0 0xc800 /* Graphics MOCS base register*/ -#define GEN9_MFX0_MOCS_0 0xc900 /* Media 0 MOCS base register*/ -#define GEN9_MFX1_MOCS_0 0xca00 /* Media 1 MOCS base register*/ -#define GEN9_VEBOX_MOCS_0 0xcb00 /* Video MOCS base register*/ -#define GEN9_BLT_MOCS_0 0xcc00 /* Blitter MOCS base register*/ +#define GEN9_GFX_MOCS(i) (0xc800 + (i) * 4) /* Graphics MOCS registers */ +#define GEN9_MFX0_MOCS(i) (0xc900 + (i) * 4) /* Media 0 MOCS registers */ +#define GEN9_MFX1_MOCS(i) (0xca00 + (i) * 4) /* Media 1 MOCS registers */ +#define GEN9_VEBOX_MOCS(i) (0xcb00 + (i) * 4) /* Video MOCS registers */ +#define GEN9_BLT_MOCS(i) (0xcc00 + (i) * 4) /* Blitter MOCS registers */ #endif /* _I915_REG_H_ */ diff --git a/drivers/gpu/drm/i915/intel_mocs.c b/drivers/gpu/drm/i915/intel_mocs.c index b258a2a91883..d5463191308c 100644 --- a/drivers/gpu/drm/i915/intel_mocs.c +++ b/drivers/gpu/drm/i915/intel_mocs.c @@ -159,11 +159,30 @@ static bool get_mocs_settings(struct drm_device *dev, return result; } +static uint32_t mocs_register(enum intel_ring_id ring, int index) +{ + switch (ring) { + case RCS: + return GEN9_GFX_MOCS(index); + case VCS: + return GEN9_MFX0_MOCS(index); + case BCS: + return GEN9_BLT_MOCS(index); + case VECS: + return GEN9_VEBOX_MOCS(index); + case VCS2: + return GEN9_MFX1_MOCS(index); + default: + MISSING_CASE(ring); + return 0; + } +} + /** * emit_mocs_control_table() - emit the mocs control table * @req: Request to set up the MOCS table for. * @table: The values to program into the control regs. - * @reg_base: The base for the engine that needs to be programmed. + * @ring: The engine for whom to emit the registers. * * This function simply emits a MI_LOAD_REGISTER_IMM command for the * given table starting at the given address. @@ -172,7 +191,7 @@ static bool get_mocs_settings(struct drm_device *dev, */ static int emit_mocs_control_table(struct drm_i915_gem_request *req, const struct drm_i915_mocs_table *table, - u32 reg_base) + enum intel_ring_id ring) { struct intel_ringbuffer *ringbuf = req->ringbuf; unsigned int index; @@ -191,7 +210,7 @@ static int emit_mocs_control_table(struct drm_i915_gem_request *req, MI_LOAD_REGISTER_IMM(GEN9_NUM_MOCS_ENTRIES)); for (index = 0; index < table->size; index++) { - intel_logical_ring_emit(ringbuf, reg_base + index * 4); + intel_logical_ring_emit(ringbuf, mocs_register(ring, index)); intel_logical_ring_emit(ringbuf, table->table[index].control_value); } @@ -205,7 +224,7 @@ static int emit_mocs_control_table(struct drm_i915_gem_request *req, * that value to all the used entries. */ for (; index < GEN9_NUM_MOCS_ENTRIES; index++) { - intel_logical_ring_emit(ringbuf, reg_base + index * 4); + intel_logical_ring_emit(ringbuf, mocs_register(ring, index)); intel_logical_ring_emit(ringbuf, table->table[0].control_value); } @@ -253,7 +272,7 @@ static int emit_mocs_l3cc_table(struct drm_i915_gem_request *req, value = (table->table[count].l3cc_value & 0xffff) | ((table->table[count + 1].l3cc_value & 0xffff) << 16); - intel_logical_ring_emit(ringbuf, GEN9_LNCFCMOCS0 + i * 4); + intel_logical_ring_emit(ringbuf, GEN9_LNCFCMOCS(i)); intel_logical_ring_emit(ringbuf, value); } @@ -270,7 +289,7 @@ static int emit_mocs_l3cc_table(struct drm_i915_gem_request *req, * they are reserved by the hardware. */ for (; i < GEN9_NUM_MOCS_ENTRIES / 2; i++) { - intel_logical_ring_emit(ringbuf, GEN9_LNCFCMOCS0 + i * 4); + intel_logical_ring_emit(ringbuf, GEN9_LNCFCMOCS(i)); intel_logical_ring_emit(ringbuf, value); value = filler; @@ -304,26 +323,16 @@ int intel_rcs_context_init_mocs(struct drm_i915_gem_request *req) int ret; if (get_mocs_settings(req->ring->dev, &t)) { - /* Program the control registers */ - ret = emit_mocs_control_table(req, &t, GEN9_GFX_MOCS_0); - if (ret) - return ret; - - ret = emit_mocs_control_table(req, &t, GEN9_MFX0_MOCS_0); - if (ret) - return ret; + struct drm_i915_private *dev_priv = req->i915; + struct intel_engine_cs *ring; + enum intel_ring_id ring_id; - ret = emit_mocs_control_table(req, &t, GEN9_MFX1_MOCS_0); - if (ret) - return ret; - - ret = emit_mocs_control_table(req, &t, GEN9_VEBOX_MOCS_0); - if (ret) - return ret; - - ret = emit_mocs_control_table(req, &t, GEN9_BLT_MOCS_0); - if (ret) - return ret; + /* Program the control registers */ + for_each_ring(ring, dev_priv, ring_id) { + ret = emit_mocs_control_table(req, &t, ring_id); + if (ret) + return ret; + } /* Now program the l3cc registers */ ret = emit_mocs_l3cc_table(req, &t); -- 2.20.1