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drm/i915/dg1: Drop final use of IS_DG1_GRAPHICS_STEP

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All production DG1 hardware has graphics stepping B0; there is no such
thing as C0.  As such, we can simplify

        IS_DG1_GRAPHICS_STEP(uncore->i915, STEP_A0, STEP_C0)

to just match DG1 in general.

Bspec: 44463
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230127224313.4042331-4-matthew.d.roper@intel.com
This commit is contained in:
Matt Roper
2023-01-27 14:43:13 -08:00
parent 69ea87e159
commit 3c4b33d0e6
2 changed files with 1 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/gt/intel_region_lmem.c
View File

@@ -158,7 +158,7 @@ static const struct intel_memory_region_ops intel_region_lmem_ops = {
static bool get_legacy_lowmem_region(struct intel_uncore *uncore,
u64 *start, u32 *size)
{
if (!IS_DG1_GRAPHICS_STEP(uncore->i915, STEP_A0, STEP_C0))
if (!IS_DG1(uncore->i915))
return false;
*start = 0;

3
drivers/gpu/drm/i915/i915_drv.h
View File

@@ -656,9 +656,6 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
#define IS_RKL_DISPLAY_STEP(p, since, until) \
(IS_ROCKETLAKE(p) && IS_DISPLAY_STEP(p, since, until))
#define IS_DG1_GRAPHICS_STEP(p, since, until) \
(IS_DG1(p) && IS_GRAPHICS_STEP(p, since, until))
#define IS_ADLS_DISPLAY_STEP(__i915, since, until) \
(IS_ALDERLAKE_S(__i915) && \
IS_DISPLAY_STEP(__i915, since, until))