This is a note to let you know that I've just added the patch titled
drm/i915: Fix 90/270 rotated coordinates for FBC
to the 4.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-fix-90-270-rotated-coordinates-for-fbc.patch
and it can be found in the queue-4.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1065467ed8e2601bf2d7018cf47c557ccbea3769 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@xxxxxxxxxxxxxxx>
Date: Fri, 31 Mar 2017 21:00:56 +0300
Subject: drm/i915: Fix 90/270 rotated coordinates for FBC
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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
commit 1065467ed8e2601bf2d7018cf47c557ccbea3769 upstream.
The clipped src coordinates have already been rotated by 270 degrees for
when the plane rotation is 90/270 degrees, hence the FBC code should no
longer swap the width and height.
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Fixes: b63a16f6cd89 ("drm/i915: Compute display surface offset in the plane check hook for SKL+")
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/20170331180056.14086-4-ville.syrjala@xxxxxxxxxxxxxxx
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Tested-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
(cherry picked from commit 73714c05df97d7527e7eaaa771472ef2ede46fa3)
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_fbc.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -82,20 +82,10 @@ static unsigned int get_crtc_fence_y_off
static void intel_fbc_get_plane_source_size(struct intel_fbc_state_cache *cache,
int *width, int *height)
{
- int w, h;
-
- if (drm_rotation_90_or_270(cache->plane.rotation)) {
- w = cache->plane.src_h;
- h = cache->plane.src_w;
- } else {
- w = cache->plane.src_w;
- h = cache->plane.src_h;
- }
-
if (width)
- *width = w;
+ *width = cache->plane.src_w;
if (height)
- *height = h;
+ *height = cache->plane.src_h;
}
static int intel_fbc_calculate_cfb_size(struct drm_i915_private *dev_priv,
@@ -747,6 +737,11 @@ static void intel_fbc_update_state_cache
ilk_pipe_pixel_rate(crtc_state);
cache->plane.rotation = plane_state->base.rotation;
+ /*
+ * Src coordinates are already rotated by 270 degrees for
+ * the 90/270 degree plane rotation cases (to match the
+ * GTT mapping), hence no need to account for rotation here.
+ */
cache->plane.src_w = drm_rect_width(&plane_state->base.src) >> 16;
cache->plane.src_h = drm_rect_height(&plane_state->base.src) >> 16;
cache->plane.visible = plane_state->base.visible;
Patches currently in stable-queue which might be from ville.syrjala@xxxxxxxxxxxxxxx are
queue-4.11/drm-i915-fix-90-270-rotated-coordinates-for-fbc.patch
queue-4.11/drm-i915-workaround-vlv-chv-dsi-scanline-counter-hardware-fail.patch
queue-4.11/drm-i915-guard-against-i915_ggtt_disable_guc-being-invoked-unconditionally.patch
queue-4.11/drm-i915-prevent-the-system-suspend-complete-optimization.patch