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authorShuicheng Lin <shuicheng.lin@intel.com>2024-01-02 04:02:31 +0300
committerMatt Roper <matthew.d.roper@intel.com>2024-01-02 21:09:26 +0300
commit835e4d9bb3a13879031942ca6692d5a82ec00158 (patch)
treee5ddbf7eba1b9586f6ef2d33b18d85c184801fcd /drivers/gpu/drm/i915/gt
parentaa253baca534357e033bd29b074ce1eade2a9362 (diff)
downloadlinux-835e4d9bb3a13879031942ca6692d5a82ec00158.tar.xz
drm/i915/guc: Change wa and EU_PERF_CNTL registers to MCR type
Some of the wa registers are MCR register, and EU_PERF_CNTL registers are MCR register. MCR register needs extra process for read/write. As normal MMIO register also could work with the MCR register process, change all wa registers to MCR type for code simplicity. Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240102010231.843778-1-shuicheng.lin@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
index 63724e17829a..f7372f736a77 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
@@ -377,8 +377,13 @@ static int guc_mmio_regset_init(struct temp_regset *regset,
CCS_MASK(engine->gt))
ret |= GUC_MMIO_REG_ADD(gt, regset, GEN12_RCU_MODE, true);
+ /*
+ * some of the WA registers are MCR registers. As it is safe to
+ * use MCR form for non-MCR registers, for code simplicity, all
+ * WA registers are added with MCR form.
+ */
for (i = 0, wa = wal->list; i < wal->count; i++, wa++)
- ret |= GUC_MMIO_REG_ADD(gt, regset, wa->reg, wa->masked_reg);
+ ret |= GUC_MCR_REG_ADD(gt, regset, wa->mcr_reg, wa->masked_reg);
/* Be extra paranoid and include all whitelist registers. */
for (i = 0; i < RING_MAX_NONPRIV_SLOTS; i++)
@@ -394,13 +399,13 @@ static int guc_mmio_regset_init(struct temp_regset *regset,
ret |= GUC_MMIO_REG_ADD(gt, regset, GEN9_LNCFCMOCS(i), false);
if (GRAPHICS_VER(engine->i915) >= 12) {
- ret |= GUC_MMIO_REG_ADD(gt, regset, EU_PERF_CNTL0, false);
- ret |= GUC_MMIO_REG_ADD(gt, regset, EU_PERF_CNTL1, false);
- ret |= GUC_MMIO_REG_ADD(gt, regset, EU_PERF_CNTL2, false);
- ret |= GUC_MMIO_REG_ADD(gt, regset, EU_PERF_CNTL3, false);
- ret |= GUC_MMIO_REG_ADD(gt, regset, EU_PERF_CNTL4, false);
- ret |= GUC_MMIO_REG_ADD(gt, regset, EU_PERF_CNTL5, false);
- ret |= GUC_MMIO_REG_ADD(gt, regset, EU_PERF_CNTL6, false);
+ ret |= GUC_MCR_REG_ADD(gt, regset, MCR_REG(i915_mmio_reg_offset(EU_PERF_CNTL0)), false);
+ ret |= GUC_MCR_REG_ADD(gt, regset, MCR_REG(i915_mmio_reg_offset(EU_PERF_CNTL1)), false);
+ ret |= GUC_MCR_REG_ADD(gt, regset, MCR_REG(i915_mmio_reg_offset(EU_PERF_CNTL2)), false);
+ ret |= GUC_MCR_REG_ADD(gt, regset, MCR_REG(i915_mmio_reg_offset(EU_PERF_CNTL3)), false);
+ ret |= GUC_MCR_REG_ADD(gt, regset, MCR_REG(i915_mmio_reg_offset(EU_PERF_CNTL4)), false);
+ ret |= GUC_MCR_REG_ADD(gt, regset, MCR_REG(i915_mmio_reg_offset(EU_PERF_CNTL5)), false);
+ ret |= GUC_MCR_REG_ADD(gt, regset, MCR_REG(i915_mmio_reg_offset(EU_PERF_CNTL6)), false);
}
return ret ? -1 : 0;