diff options
| author | Guillaume Clement <gclement@baobob.org> | 2013-08-10 03:06:04 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-08-21 20:37:49 -0400 |
| commit | 6f1e120438144a47463b80c3e113334a6bd0e77c (patch) | |
| tree | 8422c3de7e02cf57ea97295fd92a2d415ecff358 | |
| parent | 317b07b58c4312358410bf9b50dc7baeda9ed833 (diff) | |
gma500: Fix SDVO turning off randomly
Some Poulsbo cards seem to incorrectly report SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED instead of SDVO_CMD_STATUS_PENDING, which causes the display to be turned off.
Signed-off-by: Guillaume Clement <gclement@baobob.org>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/gma500/psb_intel_sdvo.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c index 19e36603b23b..3bc8414533c9 100644 --- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c +++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c | |||
| @@ -500,7 +500,8 @@ static bool psb_intel_sdvo_read_response(struct psb_intel_sdvo *psb_intel_sdvo, | |||
| 500 | &status)) | 500 | &status)) |
| 501 | goto log_fail; | 501 | goto log_fail; |
| 502 | 502 | ||
| 503 | while (status == SDVO_CMD_STATUS_PENDING && retry--) { | 503 | while ((status == SDVO_CMD_STATUS_PENDING || |
| 504 | status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && retry--) { | ||
| 504 | udelay(15); | 505 | udelay(15); |
| 505 | if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, | 506 | if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, |
| 506 | SDVO_I2C_CMD_STATUS, | 507 | SDVO_I2C_CMD_STATUS, |