| From 15cb02c0a0338ee724bf23e31c7c410ecbffeeba Mon Sep 17 00:00:00 2001 |
| From: Alex Deucher <alexdeucher@gmail.com> |
| Date: Wed, 21 Jul 2010 19:37:21 -0400 |
| Subject: drm/radeon/kms: fix legacy LVDS dpms sequence |
| |
| From: Alex Deucher <alexdeucher@gmail.com> |
| |
| commit 15cb02c0a0338ee724bf23e31c7c410ecbffeeba upstream. |
| |
| Add delay after turning off the LVDS encoder. |
| |
| Fixes: |
| https://bugzilla.kernel.org/show_bug.cgi?id=16389 |
| |
| Tested-by: Jan Kreuzer <kontrollator@gmx.de> |
| Signed-off-by: Alex Deucher <alexdeucher@gmail.com> |
| Signed-off-by: Dave Airlie <airlied@redhat.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| |
| --- |
| drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c |
| +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c |
| @@ -108,6 +108,7 @@ static void radeon_legacy_lvds_dpms(stru |
| udelay(panel_pwr_delay * 1000); |
| WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); |
| WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl); |
| + udelay(panel_pwr_delay * 1000); |
| break; |
| } |
| |
