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drm/radeon: Properly handle DDC probe for DP bridges

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DDC information can be accessed using AUX CH

Fixes failure to probe monitors on some systems with
DP bridge chips.

agd5f: minor fixes

Signed-off-by: Niels Ole Salscheider <niels_ole@salscheider-online.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Niels Ole Salscheider
2013-01-03 19:09:28 +01:00
committed by Alex Deucher
parent 64c56e8ce3
commit 0a9069d349
4 changed files with 24 additions and 11 deletions
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2
drivers/gpu/drm/radeon/radeon_mode.h
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@@ -559,7 +559,7 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
u8 val);
extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);