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| author |   Dave Airlie <airlied@redhat.com> | 2015-05-22 13:31:54 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-05-22 13:31:54 +1000 |
| commit | a8106b147f9b90ff84c458ec1f6d3b3a9d27a5f1 (patch) | |
| tree | b512cca1b2f573b4c30a7bb280ea26d74353f14e | |
| parent | Merge tag 'drm-intel-fixes-2015-05-21' of git://anongit.freedesktop.org/drm-intel into drm-fixes (diff) | |
| parent | drm/radeon: fix error flag checking in native aux path (diff) | |
| download | linux-dev-a8106b147f9b90ff84c458ec1f6d3b3a9d27a5f1.tar.xz linux-dev-a8106b147f9b90ff84c458ec1f6d3b3a9d27a5f1.zip | |
Merge branch 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Just two small DP fixes for 4.1
* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: fix error flag checking in native aux path
drm/radeon: retry dcpd fetch
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_dp_auxch.c | 2 |
2 files changed, 11 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 3e3290c203c6..b435c859dcbc 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -421,19 +421,21 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector) { struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; u8 msg[DP_DPCD_SIZE]; - int ret; + int ret, i; - ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg, - DP_DPCD_SIZE); - if (ret > 0) { - memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE); + for (i = 0; i < 7; i++) { + ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg, + DP_DPCD_SIZE); + if (ret == DP_DPCD_SIZE) { + memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE); - DRM_DEBUG_KMS("DPCD: %*ph\n", (int)sizeof(dig_connector->dpcd), - dig_connector->dpcd); + DRM_DEBUG_KMS("DPCD: %*ph\n", (int)sizeof(dig_connector->dpcd), + dig_connector->dpcd); - radeon_dp_probe_oui(radeon_connector); + radeon_dp_probe_oui(radeon_connector); - return true; + return true; + } } dig_connector->dpcd[0] = 0; return false; diff --git a/drivers/gpu/drm/radeon/radeon_dp_auxch.c b/drivers/gpu/drm/radeon/radeon_dp_auxch.c index bf1fecc6cceb..fcbd60bb0349 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_auxch.c +++ b/drivers/gpu/drm/radeon/radeon_dp_auxch.c @@ -30,8 +30,6 @@ AUX_SW_RX_HPD_DISCON | \ AUX_SW_RX_PARTIAL_BYTE | \ AUX_SW_NON_AUX_MODE | \ - AUX_SW_RX_MIN_COUNT_VIOL | \ - AUX_SW_RX_INVALID_STOP | \ AUX_SW_RX_SYNC_INVALID_L | \ AUX_SW_RX_SYNC_INVALID_H | \ AUX_SW_RX_INVALID_START | \ |