aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_crt.c
diff options
context:
space:
mode:
authorAlex Shi <alex.shi@linaro.org>2016-05-20 12:16:40 +0800
committerAlex Shi <alex.shi@linaro.org>2016-05-20 12:16:40 +0800
commit023861726fc0899139add9dd47905b8de7644257 (patch)
tree5bf6b578027b3d9910da0d99f01eaf5cfa0a5e02 /drivers/gpu/drm/i915/intel_crt.c
parentb3f09bff3f6f291d4ef5d400426278856bf24c27 (diff)
parent510d0a3f869611dcd001a2b7627fa5dded4579af (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-16.05-android
Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 6a2c76e367a5..97d1ed20418b 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -248,8 +248,14 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder,
pipe_config->has_pch_encoder = true;
/* LPT FDI RX only supports 8bpc. */
- if (HAS_PCH_LPT(dev))
+ if (HAS_PCH_LPT(dev)) {
+ if (pipe_config->bw_constrained && pipe_config->pipe_bpp < 24) {
+ DRM_DEBUG_KMS("LPT only supports 24bpp\n");
+ return false;
+ }
+
pipe_config->pipe_bpp = 24;
+ }
/* FDI must always be 2.7 GHz */
if (HAS_DDI(dev)) {