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| author | Zhenyu Wang <zhenyuw@linux.intel.com> | 2014-02-28 06:50:06 +0800 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-08-07 11:07:21 +0200 |
| commit | 22c5aee39906e19d51b6db9cfbfce1b9f6ecb65a (patch) | |
| tree | 8e9ddd685ac1948c4495b454b04712e3511db282 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | 843db716a9c3d3089a3a1f1b9b7af9a33943ab85 (diff) | |
| download | op-kernel-dev-22c5aee39906e19d51b6db9cfbfce1b9f6ecb65a.zip op-kernel-dev-22c5aee39906e19d51b6db9cfbfce1b9f6ecb65a.tar.gz | |
drm/i915: Fix drain latency precision multipler for VLV
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.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 | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 72948a0..91edd47 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -1288,13 +1288,13 @@ static bool vlv_compute_drain_latency(struct drm_device *dev, entries = (clock / 1000) * pixel_size; *plane_prec_mult = (entries > 256) ? - DRAIN_LATENCY_PRECISION_32 : DRAIN_LATENCY_PRECISION_16; + DRAIN_LATENCY_PRECISION_64 : DRAIN_LATENCY_PRECISION_32; *plane_dl = (64 * (*plane_prec_mult) * 4) / ((clock / 1000) * pixel_size); entries = (clock / 1000) * 4; /* BPP is always 4 for cursor */ *cursor_prec_mult = (entries > 256) ? - DRAIN_LATENCY_PRECISION_32 : DRAIN_LATENCY_PRECISION_16; + DRAIN_LATENCY_PRECISION_64 : DRAIN_LATENCY_PRECISION_32; *cursor_dl = (64 * (*cursor_prec_mult) * 4) / ((clock / 1000) * 4); return true; @@ -1320,9 +1320,9 @@ static void vlv_update_drain_latency(struct drm_device *dev) if (vlv_compute_drain_latency(dev, 0, &plane_prec_mult, &planea_dl, &cursor_prec_mult, &cursora_dl)) { cursora_prec = (cursor_prec_mult == DRAIN_LATENCY_PRECISION_32) ? - DDL_CURSORA_PRECISION_32 : DDL_CURSORA_PRECISION_16; + DDL_CURSORA_PRECISION_32 : DDL_CURSORA_PRECISION_64; planea_prec = (plane_prec_mult == DRAIN_LATENCY_PRECISION_32) ? - DDL_PLANEA_PRECISION_32 : DDL_PLANEA_PRECISION_16; + DDL_PLANEA_PRECISION_32 : DDL_PLANEA_PRECISION_64; I915_WRITE(VLV_DDL1, cursora_prec | (cursora_dl << DDL_CURSORA_SHIFT) | @@ -1333,9 +1333,9 @@ static void vlv_update_drain_latency(struct drm_device *dev) if (vlv_compute_drain_latency(dev, 1, &plane_prec_mult, &planeb_dl, &cursor_prec_mult, &cursorb_dl)) { cursorb_prec = (cursor_prec_mult == DRAIN_LATENCY_PRECISION_32) ? - DDL_CURSORB_PRECISION_32 : DDL_CURSORB_PRECISION_16; + DDL_CURSORB_PRECISION_32 : DDL_CURSORB_PRECISION_64; planeb_prec = (plane_prec_mult == DRAIN_LATENCY_PRECISION_32) ? - DDL_PLANEB_PRECISION_32 : DDL_PLANEB_PRECISION_16; + DDL_PLANEB_PRECISION_32 : DDL_PLANEB_PRECISION_64; I915_WRITE(VLV_DDL2, cursorb_prec | (cursorb_dl << DDL_CURSORB_SHIFT) | |
