From: Marek Olšák Date: Wed, 8 Jan 2014 17:16:26 +0000 (+0100) Subject: drm/radeon: skip colorbuffer checking if COLOR_INFO.FORMAT is set to INVALID X-Git-Tag: upstream/snapshot3+hdmi~3525^2~41^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=56492e0fac2dbaf7735ffd66b206a90624917789;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git drm/radeon: skip colorbuffer checking if COLOR_INFO.FORMAT is set to INVALID This fixes a bug which was causing rejections of valid GPU commands from userspace. Signed-off-by: Marek Olšák Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index eb8ac31..c7cac07 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -967,7 +967,10 @@ static int evergreen_cs_track_check(struct radeon_cs_parser *p) if (track->cb_dirty) { tmp = track->cb_target_mask; for (i = 0; i < 8; i++) { - if ((tmp >> (i * 4)) & 0xF) { + u32 format = G_028C70_FORMAT(track->cb_color_info[i]); + + if (format != V_028C70_COLOR_INVALID && + (tmp >> (i * 4)) & 0xF) { /* at least one component is enabled */ if (track->cb_color_bo[i] == NULL) { dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n", diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index d824f7f..7b399dc 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -749,7 +749,10 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) } for (i = 0; i < 8; i++) { - if ((tmp >> (i * 4)) & 0xF) { + u32 format = G_0280A0_FORMAT(track->cb_color_info[i]); + + if (format != V_0280A0_COLOR_INVALID && + (tmp >> (i * 4)) & 0xF) { /* at least one component is enabled */ if (track->cb_color_bo[i] == NULL) { dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",