From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
By this patch all underlying bits have been implemented and this
patch actually enables the feature.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 74d4923..f100086 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12781,6 +12781,14 @@ static int intel_framebuffer_init(struct drm_device
*dev,
DRM_DEBUG("tiling_mode doesn't match fb modifier\n");
return -EINVAL;
}
+
+ if (INTEL_INFO(dev)->gen < 9 &&
+ (mode_cmd->modifier[0] == I915_FORMAT_MOD_Y_TILED ||
+ mode_cmd->modifier[0] == I915_FORMAT_MOD_Yf_TILED)) {
+ DRM_DEBUG("Unsupported tiling 0x%llx!\n",
+ mode_cmd->modifier[0]);
+ return -EINVAL;
+ }
} else {
if (obj->tiling_mode == I915_TILING_X)
mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED;
@@ -12790,11 +12798,6 @@ static int intel_framebuffer_init(struct drm_device
*dev,
}
}
- if (mode_cmd->modifier[0] == I915_FORMAT_MOD_Y_TILED) {
- DRM_DEBUG("hardware does not support tiling Y\n");
- return -EINVAL;
- }
-
stride_alignment = intel_fb_stride_alignment(dev, mode_cmd->modifier[0],
mode_cmd->pixel_format);
if (mode_cmd->pitches[0] & (stride_alignment - 1)) {
--
2.3.0
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