[PATCH] drm/radeon/kms: clean up atom dac handling

[PATCH] drm/radeon/kms: clean up atom dac handling

[Alex Deucher]

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>From affc52fe492309291ca14902cb88e156ff3bb9ea Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 6 Apr 2010 01:22:41 -0400
Subject: [PATCH] drm/radeon/kms: clean up atom dac handling

- make sure legacy dac1 has an enc priv
- remove unused num var
- no need for extra tv_dac var in atom dac functions

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
---
 drivers/gpu/drm/radeon/radeon_encoders.c |   21 +++++++--------------
 1 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c
b/drivers/gpu/drm/radeon/radeon_encoders.c
index b89e287..ea1045b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -314,12 +314,8 @@ atombios_dac_setup(struct drm_encoder *encoder, int action)
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	DAC_ENCODER_CONTROL_PS_ALLOCATION args;
-	int index = 0, num = 0;
+	int index = 0;
 	struct radeon_encoder_atom_dac *dac_info = radeon_encoder->enc_priv;
-	enum radeon_tv_std tv_std = TV_STD_NTSC;
-
-	if (dac_info->tv_std)
-		tv_std = dac_info->tv_std;

 	memset(&args, 0, sizeof(args));

@@ -327,12 +323,10 @@ atombios_dac_setup(struct drm_encoder *encoder,
int action)
 	case ENCODER_OBJECT_ID_INTERNAL_DAC1:
 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
 		index = GetIndexIntoMasterTable(COMMAND, DAC1EncoderControl);
-		num = 1;
 		break;
 	case ENCODER_OBJECT_ID_INTERNAL_DAC2:
 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
 		index = GetIndexIntoMasterTable(COMMAND, DAC2EncoderControl);
-		num = 2;
 		break;
 	}

@@ -343,7 +337,7 @@ atombios_dac_setup(struct drm_encoder *encoder, int action)
 	else if (radeon_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
 		args.ucDacStandard = ATOM_DAC1_CV;
 	else {
-		switch (tv_std) {
+		switch (dac_info->tv_std) {
 		case TV_STD_PAL:
 		case TV_STD_PAL_M:
 		case TV_STD_SCART_PAL:
@@ -374,10 +368,6 @@ atombios_tv_setup(struct drm_encoder *encoder, int action)
 	TV_ENCODER_CONTROL_PS_ALLOCATION args;
 	int index = 0;
 	struct radeon_encoder_atom_dac *dac_info = radeon_encoder->enc_priv;
-	enum radeon_tv_std tv_std = TV_STD_NTSC;
-
-	if (dac_info->tv_std)
-		tv_std = dac_info->tv_std;

 	memset(&args, 0, sizeof(args));

@@ -388,7 +378,7 @@ atombios_tv_setup(struct drm_encoder *encoder, int action)
 	if (radeon_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT))
 		args.sTVEncoder.ucTvStandard = ATOM_TV_CV;
 	else {
-		switch (tv_std) {
+		switch (dac_info->tv_std) {
 		case TV_STD_NTSC:
 			args.sTVEncoder.ucTvStandard = ATOM_TV_NTSC;
 			break;
@@ -1556,12 +1546,14 @@ static const struct drm_encoder_funcs
radeon_atom_enc_funcs = {
 struct radeon_encoder_atom_dac *
 radeon_atombios_set_dac_info(struct radeon_encoder *radeon_encoder)
 {
+	struct drm_device *dev = radeon_encoder->base.dev;
+	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder_atom_dac *dac = kzalloc(sizeof(struct
radeon_encoder_atom_dac), GFP_KERNEL);

 	if (!dac)
 		return NULL;

-	dac->tv_std = TV_STD_NTSC;
+	dac->tv_std = radeon_atombios_get_tv_info(rdev);
 	return dac;
 }

@@ -1639,6 +1631,7 @@ radeon_add_atom_encoder(struct drm_device *dev,
uint32_t encoder_id, uint32_t su
 		break;
 	case ENCODER_OBJECT_ID_INTERNAL_DAC1:
 		drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_DAC);
+		radeon_encoder->enc_priv = radeon_atombios_set_dac_info(radeon_encoder);
 		drm_encoder_helper_add(encoder, &radeon_atom_dac_helper_funcs);
 		break;
 	case ENCODER_OBJECT_ID_INTERNAL_DAC2:
-- 
1.5.6.3

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