From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Since we now have a ->get_hw_state() method for planes, let's use
that during the initial plane fb readout.
v2: s/plane/i9xx_plane/ etc. (James)
Cc: James Ausmus <james.aus...@intel.com>
Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
Suggested-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Reviewed-by: James Ausmus <james.aus...@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 62cc2a600205..ed58311e8da0 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7413,8 +7413,7 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
struct drm_framebuffer *fb;
struct intel_framebuffer *intel_fb;
- val = I915_READ(DSPCNTR(i9xx_plane));
- if (!(val & DISPLAY_PLANE_ENABLE))
+ if (!plane->get_hw_state(plane))
return;
intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
@@ -7427,6 +7426,8 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
fb->dev = dev;
+ val = I915_READ(DSPCNTR(i9xx_plane));
+
if (INTEL_GEN(dev_priv) >= 4) {
if (val & DISPPLANE_TILED) {
plane_config->tiling = I915_TILING_X;
@@ -8442,6 +8443,9 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
struct drm_framebuffer *fb;
struct intel_framebuffer *intel_fb;
+ if (!plane->get_hw_state(plane))
+ return;
+
intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
if (!intel_fb) {
DRM_DEBUG_KMS("failed to alloc fb\n");
@@ -8453,8 +8457,6 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
fb->dev = dev;
val = I915_READ(PLANE_CTL(pipe, plane_id));
- if (!(val & PLANE_CTL_ENABLE))
- goto error;
pixel_format = val & PLANE_CTL_FORMAT_MASK;
--
2.13.6
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