diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-10-31 15:56:59 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-11-02 08:53:47 +0200 |
| commit | 78e418d0ea7f74bca0c2312281a28de831ae8edf (patch) | |
| tree | b1ea0e521e56d617142127c2edce781d1a3f0e16 | |
| parent | ad1ea98019e209eff32e4e22012a4b3276cfdf93 (diff) | |
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>
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c | 6 |
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) |