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authorVille Syrjälä <ville.syrjala@linux.intel.com>2022-10-31 15:56:59 +0200
committerVille Syrjälä <ville.syrjala@linux.intel.com>2022-11-02 08:53:47 +0200
commit78e418d0ea7f74bca0c2312281a28de831ae8edf (patch)
treeb1ea0e521e56d617142127c2edce781d1a3f0e16 /drivers
parentad1ea98019e209eff32e4e22012a4b3276cfdf93 (diff)
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drm/i915: Stop claiming cs timestamp frquency on gen2/3
Gen2/3 have no TIMESTAMP registers to sample so no point in thinking we have any frequency for it either. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221031135703.14670-3-ville.syrjala@linux.intel.com Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
index ebb7a5b3e87c..23a27e49b898 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
@@ -139,7 +139,7 @@ static u32 g4x_read_clock_frequency(struct intel_uncore *uncore)
return 1000000000 / 1024;
}
-static u32 gen2_read_clock_frequency(struct intel_uncore *uncore)
+static u32 gen4_read_clock_frequency(struct intel_uncore *uncore)
{
/*
* PRMs say:
@@ -163,8 +163,10 @@ static u32 read_clock_frequency(struct intel_uncore *uncore)
return gen5_read_clock_frequency(uncore);
else if (IS_G4X(uncore->i915))
return g4x_read_clock_frequency(uncore);
+ else if (GRAPHICS_VER(uncore->i915) == 4)
+ return gen4_read_clock_frequency(uncore);
else
- return gen2_read_clock_frequency(uncore);
+ return 0;
}
void intel_gt_init_clock_frequency(struct intel_gt *gt)