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drm/radeon: use a fetch function to get the edid

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We keep a cached version of the edid in radeon_connector which
we use for determining connectedness and when to enable certain
features like hdmi audio, etc.  When the user uses the firmware
interface to override the driver with some other edid the driver's
copy is never updated.  The fetch function will check if there
is a user supplied edid and update the driver's copy if there
is.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=80691

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2014-07-15 11:00:47 -04:00
parent 72a5c970a5
commit 377bd8a98d
7 changed files with 33 additions and 16 deletions
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4
drivers/gpu/drm/radeon/radeon_encoders.c
View file

@ -343,7 +343,7 @@ bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
case DRM_MODE_CONNECTOR_HDMIB:
if (radeon_connector->use_digital) {
/* HDMI 1.3 supports up to 340 Mhz over single link */
if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
if (pixel_clock > 340000)
return true;
else
@ -365,7 +365,7 @@ bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder,
return false;
else {
/* HDMI 1.3 supports up to 340 Mhz over single link */
if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) {
if (pixel_clock > 340000)
return true;
else