From: Paulo Zanoni Date: Mon, 10 Nov 2014 16:47:30 +0000 (-0200) Subject: drm/i915: use the correct obj when preparing the sprite plane X-Git-Tag: firefly_0821_release~176^2~2672^2~14^2~114 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b8bbac1d01397ead65516f11adba1c7baf76a016;p=firefly-linux-kernel-4.4.55.git drm/i915: use the correct obj when preparing the sprite plane Commit "drm/i915: create a prepare phase for sprite plane updates" changed the old_obj pointer we use when committing sprite planes, which caused a WARN() and a BUG() to be triggered. Later, commit "drm/i915: use intel_fb_obj() macros to assign gem objects" introduced the same problem to function intel_commit_sprite_plane(). Regression introduced by: commit ec82cb793c9224e0692eed904f43490cf70e8258 Author: Gustavo Padovan Date: Fri Oct 24 14:51:32 2014 +0100 drm/i915: create a prepare phase for sprite plane updates and: commit 77cde95217484e845743818691df026cec2534f4 Author: Gustavo Padovan Date: Fri Oct 24 14:51:33 2014 +0100 drm/i915: use intel_fb_obj() macros to assign gem objects Credits to Imre Deak for pointing out the exact lines that were wrong. v2: Also fix intel_commit_sprite_plane() (Ville) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85634 Testcase: igt/pm_rpm/legacy-planes Testcase: igt/pm_rpm/legacy-planes-dpms Testcase: igt/pm_rpm/universal-planes Testcase: igt/pm_rpm/universal-planes-dpms Credits-to: Imre Deak Cc: Gustavo Padovan Cc: Ville Syrjälä Signed-off-by: Paulo Zanoni Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 64076555153a..7d9c340f7693 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -1264,10 +1264,11 @@ intel_prepare_sprite_plane(struct drm_plane *plane, struct drm_device *dev = plane->dev; struct drm_crtc *crtc = state->crtc; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_plane *intel_plane = to_intel_plane(plane); enum pipe pipe = intel_crtc->pipe; struct drm_framebuffer *fb = state->fb; struct drm_i915_gem_object *obj = intel_fb_obj(fb); - struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); + struct drm_i915_gem_object *old_obj = intel_plane->obj; int ret; if (old_obj != obj) { @@ -1302,7 +1303,7 @@ intel_commit_sprite_plane(struct drm_plane *plane, enum pipe pipe = intel_crtc->pipe; struct drm_framebuffer *fb = state->fb; struct drm_i915_gem_object *obj = intel_fb_obj(fb); - struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); + struct drm_i915_gem_object *old_obj = intel_plane->obj; int crtc_x, crtc_y; unsigned int crtc_w, crtc_h; uint32_t src_x, src_y, src_w, src_h;