drm/radeon/kms: properly handle bpc >8 in atom command tables
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 529a3a7..608b1c2 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -512,6 +512,7 @@
struct radeon_device *rdev = dev->dev_private;
struct drm_encoder *encoder = NULL;
struct radeon_encoder *radeon_encoder = NULL;
+ struct drm_connector *connector = NULL;
u32 adjusted_clock = mode->clock;
int encoder_mode = 0;
u32 dp_clock = mode->clock;
@@ -546,9 +547,11 @@
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc == crtc) {
radeon_encoder = to_radeon_encoder(encoder);
+ connector = radeon_get_connector_for_encoder(encoder);
+ if (connector)
+ bpc = connector->display_info.bpc;
encoder_mode = atombios_get_encoder_mode(encoder);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
- struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
if (connector) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
struct radeon_connector_atom_dig *dig_connector =
@@ -754,7 +757,8 @@
u32 ref_div,
u32 fb_div,
u32 frac_fb_div,
- u32 post_div)
+ u32 post_div,
+ int bpc)
{
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
@@ -812,6 +816,15 @@
args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
args.v5.ucPostDiv = post_div;
args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
+ switch (bpc) {
+ case 8:
+ default:
+ args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
+ break;
+ case 10:
+ args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
+ break;
+ }
args.v5.ucTransmitterID = encoder_id;
args.v5.ucEncoderMode = encoder_mode;
args.v5.ucPpll = pll_id;
@@ -824,6 +837,21 @@
args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
args.v6.ucPostDiv = post_div;
args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
+ switch (bpc) {
+ case 8:
+ default:
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
+ break;
+ case 10:
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
+ break;
+ case 12:
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
+ break;
+ case 16:
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
+ break;
+ }
args.v6.ucTransmitterID = encoder_id;
args.v6.ucEncoderMode = encoder_mode;
args.v6.ucPpll = pll_id;
@@ -855,6 +883,7 @@
int encoder_mode = 0;
struct radeon_atom_ss ss;
bool ss_enabled = false;
+ int bpc = 8;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc == crtc) {
@@ -891,6 +920,7 @@
struct radeon_connector_atom_dig *dig_connector =
radeon_connector->con_priv;
int dp_clock;
+ bpc = connector->display_info.bpc;
switch (encoder_mode) {
case ATOM_ENCODER_MODE_DP:
@@ -974,7 +1004,7 @@
atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
encoder_mode, radeon_encoder->encoder_id, mode->clock,
- ref_div, fb_div, frac_fb_div, post_div);
+ ref_div, fb_div, frac_fb_div, post_div, bpc);
if (ss_enabled) {
/* calculate ss amount and step size */
@@ -1522,7 +1552,7 @@
case ATOM_PPLL2:
/* disable the ppll */
atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
- 0, 0, ATOM_DISABLE, 0, 0, 0, 0);
+ 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0);
break;
default:
break;