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author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2013-12-05 14:51:32 +0100 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-12-17 13:17:52 +0100 |
commit | 6cef2b8a5671dc6abbc0414a94be843590f93ede (patch) | |
tree | 9ff75a75f04dea3134458fbbbd3031438756314f /drivers/gpu/drm/i915/intel_pm.c | |
parent | drm/i915: Avoid computing invalid WM levels when sprites/scaling is enabled (diff) | |
download | linux-6cef2b8a5671dc6abbc0414a94be843590f93ede.tar.xz linux-6cef2b8a5671dc6abbc0414a94be843590f93ede.zip |
drm/i915: Fix LP1 sprite watermarks for ILK/SNB
ILK/SNB don't have LP2+ watermarks for sprites. Also the LP1 sprite
watermark register has its own enable bit. Take these differences
into account when programming the LP1+ registers.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index b06076d8f386..232d8c3b1f10 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2767,7 +2767,11 @@ static void hsw_compute_wm_results(struct drm_device *dev, results->wm_lp[wm_lp - 1] |= r->fbc_val << WM1_LP_FBC_SHIFT; - results->wm_lp_spr[wm_lp - 1] = r->spr_val; + if (INTEL_INFO(dev)->gen <= 6 && r->spr_val) { + WARN_ON(wm_lp != 1); + results->wm_lp_spr[wm_lp - 1] = WM1S_LP_EN | r->spr_val; + } else + results->wm_lp_spr[wm_lp - 1] = r->spr_val; } /* LP0 register values */ @@ -2899,6 +2903,10 @@ static void hsw_write_wm_values(struct drm_i915_private *dev_priv, if (dirty & WM_DIRTY_LP(1) && previous->wm_lp[0] != 0) I915_WRITE(WM1_LP_ILK, 0); + if (INTEL_INFO(dev)->gen <= 6 && + dirty & WM_DIRTY_LP(1) && previous->wm_lp_spr[0] != 0) + I915_WRITE(WM1S_LP_ILK, 0); + if (dirty & WM_DIRTY_PIPE(PIPE_A)) I915_WRITE(WM0_PIPEA_ILK, results->wm_pipe[0]); if (dirty & WM_DIRTY_PIPE(PIPE_B)) @@ -2940,12 +2948,17 @@ static void hsw_write_wm_values(struct drm_i915_private *dev_priv, I915_WRITE(DISP_ARB_CTL, val); } - if (dirty & WM_DIRTY_LP(1) && previous->wm_lp_spr[0] != results->wm_lp_spr[0]) - I915_WRITE(WM1S_LP_ILK, results->wm_lp_spr[0]); - if (dirty & WM_DIRTY_LP(2) && previous->wm_lp_spr[1] != results->wm_lp_spr[1]) - I915_WRITE(WM2S_LP_IVB, results->wm_lp_spr[1]); - if (dirty & WM_DIRTY_LP(3) && previous->wm_lp_spr[2] != results->wm_lp_spr[2]) - I915_WRITE(WM3S_LP_IVB, results->wm_lp_spr[2]); + if (INTEL_INFO(dev)->gen <= 6) { + if (dirty & WM_DIRTY_LP(1) && results->wm_lp_spr[0] != 0) + I915_WRITE(WM1S_LP_ILK, results->wm_lp_spr[0]); + } else { + if (dirty & WM_DIRTY_LP(1) && previous->wm_lp_spr[0] != results->wm_lp_spr[0]) + I915_WRITE(WM1S_LP_ILK, results->wm_lp_spr[0]); + if (dirty & WM_DIRTY_LP(2) && previous->wm_lp_spr[1] != results->wm_lp_spr[1]) + I915_WRITE(WM2S_LP_IVB, results->wm_lp_spr[1]); + if (dirty & WM_DIRTY_LP(3) && previous->wm_lp_spr[2] != results->wm_lp_spr[2]) + I915_WRITE(WM3S_LP_IVB, results->wm_lp_spr[2]); + } if (dirty & WM_DIRTY_LP(1) && results->wm_lp[0] != 0) I915_WRITE(WM1_LP_ILK, results->wm_lp[0]); |