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drm/radeon: improve encoder picking functions (v2)

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For MST we need to be able to pick front end encoders
separate from backend, but only for MST, so we need to
make the encoder picking interface smarter.

v2: agd5f: squash in:
drm/radeon: release digital encoder before asking for new one
Reported-by: Dieter Nützel <Dieter@nuetzel-hh.de>

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dave Airlie
2015-02-24 09:24:03 +10:00
committed by Alex Deucher
parent 2be123d7c6
commit 8f0fc088f5
2 changed files with 65 additions and 23 deletions
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6
drivers/gpu/drm/radeon/radeon_mode.h
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@@ -274,6 +274,9 @@ struct radeon_mode_info {
u16 firmware_flags;
/* pointer to backlight encoder */
struct radeon_encoder *bl_encoder;
/* bitmask for active encoder frontends */
uint32_t active_encoders;
};
#define RADEON_MAX_BL_LEVEL 0xFF
@@ -956,4 +959,7 @@ void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector
void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder, int fe_idx);
void radeon_atom_release_dig_encoder(struct radeon_device *rdev, int enc_idx);
#endif