Commit c2b4cacf authored by Alex Deucher's avatar Alex Deucher

drm/radeon/hdmi: make sure we have an afmt block assigned

Prevents a segfault if an afmt block is not assigned to the
encoder such as in the LVDS or eDP case.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=66714Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 774d8e34
......@@ -177,6 +177,9 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
uint32_t offset;
ssize_t err;
if (!dig || !dig->afmt)
return;
/* Silent, r600_hdmi_enable will raise WARN for us */
if (!dig->afmt->enabled)
return;
......@@ -280,6 +283,9 @@ void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable)
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
if (!dig || !dig->afmt)
return;
/* Silent, r600_hdmi_enable will raise WARN for us */
if (enable && dig->afmt->enabled)
return;
......
......@@ -266,6 +266,9 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
uint32_t offset;
ssize_t err;
if (!dig || !dig->afmt)
return;
/* Silent, r600_hdmi_enable will raise WARN for us */
if (!dig->afmt->enabled)
return;
......@@ -448,6 +451,9 @@ void r600_hdmi_enable(struct drm_encoder *encoder, bool enable)
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
u32 hdmi = HDMI0_ERROR_ACK;
if (!dig || !dig->afmt)
return;
/* Silent, r600_hdmi_enable will raise WARN for us */
if (enable && dig->afmt->enabled)
return;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment