diff options
| author | Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> | 2021-02-08 20:40:27 +0300 |
|---|---|---|
| committer | Lionel Landwerlin <lionel.g.landwerlin@intel.com> | 2021-02-09 14:26:29 +0300 |
| commit | 77892f4f050e73e5998c4f3a12b1e459680be7f6 (patch) | |
| tree | 04048599a5cea15af550fa2d7bd4a1daa9f3dc5d /drivers/gpu/drm/i915/i915_perf.c | |
| parent | e22fa6f0a9760297295c621fdcd4e29cf32fcfbd (diff) | |
| download | linux-77892f4f050e73e5998c4f3a12b1e459680be7f6.tar.xz | |
i915/perf: Store a mask of valid OA formats for a platform
Validity of an OA format is checked by using a sparse array of formats
per gen. Instead maintain a mask of supported formats for a platform in
the perf object.
v2: Use set_bit and test_bit style for the format_mask (Chris)
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210208174029.45621-1-umesh.nerlige.ramappa@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_perf.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_perf.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 112ba5f2ce90..b94b00607d54 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -3524,6 +3524,18 @@ static u64 oa_exponent_to_ns(struct i915_perf *perf, int exponent) 2ULL << exponent); } +static __always_inline bool +oa_format_valid(struct i915_perf *perf, enum drm_i915_oa_format format) +{ + return test_bit(format, perf->format_mask); +} + +static __always_inline void +oa_format_add(struct i915_perf *perf, enum drm_i915_oa_format format) +{ + __set_bit(format, perf->format_mask); +} + /** * read_properties_unlocked - validate + copy userspace stream open properties * @perf: i915 perf instance @@ -3615,7 +3627,7 @@ static int read_properties_unlocked(struct i915_perf *perf, value); return -EINVAL; } - if (!perf->oa_formats[value].size) { + if (!oa_format_valid(perf, value)) { DRM_DEBUG("Unsupported OA report format %llu\n", value); return -EINVAL; @@ -4259,6 +4271,53 @@ static struct ctl_table dev_root[] = { {} }; +static void oa_init_supported_formats(struct i915_perf *perf) +{ + struct drm_i915_private *i915 = perf->i915; + enum intel_platform platform = INTEL_INFO(i915)->platform; + + switch (platform) { + case INTEL_HASWELL: + oa_format_add(perf, I915_OA_FORMAT_A13); + oa_format_add(perf, I915_OA_FORMAT_A13); + oa_format_add(perf, I915_OA_FORMAT_A29); + oa_format_add(perf, I915_OA_FORMAT_A13_B8_C8); + oa_format_add(perf, I915_OA_FORMAT_B4_C8); + oa_format_add(perf, I915_OA_FORMAT_A45_B8_C8); + oa_format_add(perf, I915_OA_FORMAT_B4_C8_A16); + oa_format_add(perf, I915_OA_FORMAT_C4_B8); + break; + + case INTEL_BROADWELL: + case INTEL_CHERRYVIEW: + case INTEL_SKYLAKE: + case INTEL_BROXTON: + case INTEL_KABYLAKE: + case INTEL_GEMINILAKE: + case INTEL_COFFEELAKE: + case INTEL_COMETLAKE: + case INTEL_CANNONLAKE: + case INTEL_ICELAKE: + case INTEL_ELKHARTLAKE: + case INTEL_JASPERLAKE: + oa_format_add(perf, I915_OA_FORMAT_A12); + oa_format_add(perf, I915_OA_FORMAT_A12_B8_C8); + oa_format_add(perf, I915_OA_FORMAT_A32u40_A4u32_B8_C8); + oa_format_add(perf, I915_OA_FORMAT_C4_B8); + break; + + case INTEL_TIGERLAKE: + case INTEL_ROCKETLAKE: + case INTEL_DG1: + case INTEL_ALDERLAKE_S: + oa_format_add(perf, I915_OA_FORMAT_A32u40_A4u32_B8_C8); + break; + + default: + MISSING_CASE(platform); + } +} + /** * i915_perf_init - initialize i915-perf state on module bind * @i915: i915 device instance @@ -4408,6 +4467,8 @@ void i915_perf_init(struct drm_i915_private *i915) 500 * 1000 /* 500us */); perf->i915 = i915; + + oa_init_supported_formats(perf); } } |