diff mbox

drm/radeon: fix dig encoder selection on DCE61

Message ID 1346284924-12786-1-git-send-email-alexdeucher@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alex Deucher Aug. 30, 2012, 12:02 a.m. UTC
From: Alex Deucher <alexander.deucher@amd.com>

Was using the DCE41 code which was wrong. Fixes
blank displays on a number of Trinity systems.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/radeon/atombios_encoders.c |   31 +++++++++++++++++++++++----
 1 files changed, 26 insertions(+), 5 deletions(-)

Comments

Michel Dänzer Aug. 30, 2012, 6:27 a.m. UTC | #1
On Mit, 2012-08-29 at 20:02 -0400, alexdeucher@gmail.com wrote: 
> From: Alex Deucher <alexander.deucher@amd.com>
> 
> Was using the DCE41 code which was wrong. Fixes
> blank displays on a number of Trinity systems.
> 
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
> Cc: stable@vger.kernel.org
> ---
>  drivers/gpu/drm/radeon/atombios_encoders.c |   31 +++++++++++++++++++++++----
>  1 files changed, 26 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
> index 4a7f95e..6e8803a 100644
> --- a/drivers/gpu/drm/radeon/atombios_encoders.c
> +++ b/drivers/gpu/drm/radeon/atombios_encoders.c
> @@ -1769,13 +1769,34 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
>  	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
>  	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
>  	struct drm_encoder *test_encoder;
> -	struct radeon_encoder_atom_dig *dig;
> +	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
>  	uint32_t dig_enc_in_use = 0;
>  
> -	/* DCE4/5 */
> -	if (ASIC_IS_DCE4(rdev)) {
> -		dig = radeon_encoder->enc_priv;
> -		if (ASIC_IS_DCE41(rdev)) {
> +	if (ASIC_IS_DCE6(rdev)) {
> +		/* DCE6 */
> +		switch (radeon_encoder->encoder_id) {
> +		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
> +			if (dig->linkb)
> +				return 1;
> +			else
> +				return 0;
> +			break;
> +		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
> +			if (dig->linkb)
> +				return 3;
> +			else
> +				return 2;
> +			break;
> +		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
> +			if (dig->linkb)
> +				return 5;
> +			else
> +				return 4;
> +			break;
> +		}
> +	} else if (ASIC_IS_DCE4(rdev)) {
> +		/* DCE4/5 */
> +		if (ASIC_IS_DCE41(rdev) && !ASIC_IS_DCE61(rdev)) {

The !ASIC_IS_DCE61(rdev) seems redundant here. Either way though,

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Alex Deucher Aug. 30, 2012, 1:34 p.m. UTC | #2
On Thu, Aug 30, 2012 at 2:27 AM, Michel Dänzer <michel@daenzer.net> wrote:
> On Mit, 2012-08-29 at 20:02 -0400, alexdeucher@gmail.com wrote:
>> From: Alex Deucher <alexander.deucher@amd.com>
>>
>> Was using the DCE41 code which was wrong. Fixes
>> blank displays on a number of Trinity systems.
>>
>> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>> Cc: stable@vger.kernel.org
>> ---
>>  drivers/gpu/drm/radeon/atombios_encoders.c |   31 +++++++++++++++++++++++----
>>  1 files changed, 26 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
>> index 4a7f95e..6e8803a 100644
>> --- a/drivers/gpu/drm/radeon/atombios_encoders.c
>> +++ b/drivers/gpu/drm/radeon/atombios_encoders.c
>> @@ -1769,13 +1769,34 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
>>       struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
>>       struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
>>       struct drm_encoder *test_encoder;
>> -     struct radeon_encoder_atom_dig *dig;
>> +     struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
>>       uint32_t dig_enc_in_use = 0;
>>
>> -     /* DCE4/5 */
>> -     if (ASIC_IS_DCE4(rdev)) {
>> -             dig = radeon_encoder->enc_priv;
>> -             if (ASIC_IS_DCE41(rdev)) {
>> +     if (ASIC_IS_DCE6(rdev)) {
>> +             /* DCE6 */
>> +             switch (radeon_encoder->encoder_id) {
>> +             case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
>> +                     if (dig->linkb)
>> +                             return 1;
>> +                     else
>> +                             return 0;
>> +                     break;
>> +             case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
>> +                     if (dig->linkb)
>> +                             return 3;
>> +                     else
>> +                             return 2;
>> +                     break;
>> +             case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
>> +                     if (dig->linkb)
>> +                             return 5;
>> +                     else
>> +                             return 4;
>> +                     break;
>> +             }
>> +     } else if (ASIC_IS_DCE4(rdev)) {
>> +             /* DCE4/5 */
>> +             if (ASIC_IS_DCE41(rdev) && !ASIC_IS_DCE61(rdev)) {
>
> The !ASIC_IS_DCE61(rdev) seems redundant here. Either way though,
>

whoops, yes, it is.  I was considering whether to add a !DCE61 check
or a new DCE6 section and decided the latter was cleaner, but never
removed the other check.  Oh well.  I'll clean it up later.  Thanks!

> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
>
>
> --
> Earthling Michel Dänzer           |                   http://www.amd.com
> Libre software enthusiast         |          Debian, X and DRI developer
Rafał Miłecki Aug. 30, 2012, 2:13 p.m. UTC | #3
2012/8/30 Alex Deucher <alexdeucher@gmail.com>:
> On Thu, Aug 30, 2012 at 2:27 AM, Michel Dänzer <michel@daenzer.net> wrote:
>> On Mit, 2012-08-29 at 20:02 -0400, alexdeucher@gmail.com wrote:
>>> -     /* DCE4/5 */
>>> -     if (ASIC_IS_DCE4(rdev)) {
>>> -             dig = radeon_encoder->enc_priv;
>>> -             if (ASIC_IS_DCE41(rdev)) {
>>> +     if (ASIC_IS_DCE6(rdev)) {
>>> +             /* DCE6 */

Amazing comment ;)
diff mbox

Patch

diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 4a7f95e..6e8803a 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1769,13 +1769,34 @@  static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct drm_encoder *test_encoder;
-	struct radeon_encoder_atom_dig *dig;
+	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 	uint32_t dig_enc_in_use = 0;
 
-	/* DCE4/5 */
-	if (ASIC_IS_DCE4(rdev)) {
-		dig = radeon_encoder->enc_priv;
-		if (ASIC_IS_DCE41(rdev)) {
+	if (ASIC_IS_DCE6(rdev)) {
+		/* DCE6 */
+		switch (radeon_encoder->encoder_id) {
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+			if (dig->linkb)
+				return 1;
+			else
+				return 0;
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+			if (dig->linkb)
+				return 3;
+			else
+				return 2;
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+			if (dig->linkb)
+				return 5;
+			else
+				return 4;
+			break;
+		}
+	} else if (ASIC_IS_DCE4(rdev)) {
+		/* DCE4/5 */
+		if (ASIC_IS_DCE41(rdev) && !ASIC_IS_DCE61(rdev)) {
 			/* ontario follows DCE4 */
 			if (rdev->family == CHIP_PALM) {
 				if (dig->linkb)