From: Alex Deucher <alexdeucher@gmail.com>
To: airlied@gmail.com, dri-devel@lists.freedesktop.org
Subject: [PATCH 1/2] drm/radeon/kms/blit: workaround some hw issues on evergreen+
Date: Wed, 25 May 2011 01:00:45 -0400 [thread overview]
Message-ID: <1306299646-1439-1-git-send-email-alexdeucher@gmail.com> (raw)
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
---
drivers/gpu/drm/radeon/evergreen_blit_kms.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c
index ba06a69..4086729 100644
--- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c
+++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c
@@ -199,6 +199,16 @@ static void
set_scissors(struct radeon_device *rdev, int x1, int y1,
int x2, int y2)
{
+ /* workaround some hw bugs */
+ if (x2 == 0)
+ x1 = 1;
+ if (y2 == 0)
+ y1 = 1;
+ if (rdev->family == CHIP_CAYMAN) {
+ if ((x2 == 1) && (y2 == 1))
+ x2 = 2;
+ }
+
radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
radeon_ring_write(rdev, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_START) >> 2);
radeon_ring_write(rdev, (x1 << 0) | (y1 << 16));
--
1.7.1.1
next reply other threads:[~2011-05-25 5:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-25 5:00 Alex Deucher [this message]
2011-05-25 5:00 ` [PATCH 2/2] drm/radeon/kms: add blit support for cayman Alex Deucher
2011-05-25 20:39 ` [PATCH] drm/radeon/kms: add blit support for cayman (v2) Alex Deucher
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1306299646-1439-1-git-send-email-alexdeucher@gmail.com \
--to=alexdeucher@gmail.com \
--cc=airlied@gmail.com \
--cc=dri-devel@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox