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drm/radeon/kms: improve bpc handling (v2)

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Improve handling of bpc (bits per color) in radeon.
In most cases we want 8 except for HDMI, DP, LVDS, and eDP.

v2: handle DP better.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2012-03-26 15:12:54 -04:00
committed by Dave Airlie
parent 9923777dff
commit eccea7920c
5 changed files with 63 additions and 12 deletions
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7
drivers/gpu/drm/radeon/atombios_crtc.c
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@@ -588,8 +588,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (encoder->crtc == crtc) {
radeon_encoder = to_radeon_encoder(encoder);
connector = radeon_get_connector_for_encoder(encoder);
/* if (connector && connector->display_info.bpc)
bpc = connector->display_info.bpc; */
bpc = radeon_get_monitor_bpc(connector);
encoder_mode = atombios_get_encoder_mode(encoder);
is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock);
if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
@@ -965,9 +964,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
struct radeon_connector_atom_dig *dig_connector =
radeon_connector->con_priv;
int dp_clock;
/* if (connector->display_info.bpc)
bpc = connector->display_info.bpc; */
bpc = radeon_get_monitor_bpc(connector);
switch (encoder_mode) {
case ATOM_ENCODER_MODE_DP_MST: