diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ceb1eecd9dad..08274591db7e 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2997,6 +2997,7 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, { struct intel_plane_state *intel_pstate = to_intel_plane_state(pstate); struct drm_framebuffer *fb = pstate->fb; + uint32_t down_scale_amount, data_rate; uint32_t width = 0, height = 0; unsigned format = fb ? fb->pixel_format : DRM_FORMAT_XRGB8888; @@ -3016,15 +3017,19 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, /* for planar format */ if (format == DRM_FORMAT_NV12) { if (y) /* y-plane data rate */ - return width * height * + data_rate = width * height * drm_format_plane_cpp(format, 0); else /* uv-plane data rate */ - return (width / 2) * (height / 2) * + data_rate = (width / 2) * (height / 2) * drm_format_plane_cpp(format, 1); + } else { + /* for packed formats */ + data_rate = width * height * drm_format_plane_cpp(format, 0); } - /* for packed formats */ - return width * height * drm_format_plane_cpp(format, 0); + down_scale_amount = skl_plane_downscale_amount(intel_pstate); + + return (uint64_t)data_rate * down_scale_amount >> 16; } /* |