[PATCH 2/2] drm/ast: Support AST2500

Benjamin Herrenschmidt benh at kernel.crashing.org
Thu Feb 16 11:40:48 UTC 2017


On Thu, 2017-02-16 at 20:09 +1100, Benjamin Herrenschmidt wrote:
> From: "Y.C. Chen" <yc_chen at aspeedtech.com>
> 
> Add detection and POST code for AST2500 generation chip,
> code originally from Aspeed and slightly reworked for
> coding style mostly by Ben.

I just noticed there's still a bunch of minor checkpatch warnings,
I'll do a new spin tomorrow but without code changes.

Y.C. Can you still test this one please to make sure I didn't break
POST ? :-)

Cheers,
Ben.

> Signed-off-by: Y.C. Chen <yc_chen at aspeedtech.com>
> Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> ---
> v2. [BenH]
>   - Coding style fixes
>   - Add timeout to main DRAM init loop
>   - Improve boot time display of RAM info
> 
> Y.C. Please check that I didn't break POST as I haven't manage to
> test
> that (we can't boot our machines if the BMC isn't already POSTed).
> 
> ---
>  drivers/gpu/drm/ast/ast_dram_tables.h |  62 +++++
>  drivers/gpu/drm/ast/ast_drv.h         |   3 +
>  drivers/gpu/drm/ast/ast_main.c        |  32 ++-
>  drivers/gpu/drm/ast/ast_mode.c        |  25 +-
>  drivers/gpu/drm/ast/ast_post.c        | 491
> ++++++++++++++++++++++++++++++----
>  drivers/gpu/drm/ast/ast_tables.h      |  57 +++-
>  6 files changed, 586 insertions(+), 84 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_dram_tables.h
> b/drivers/gpu/drm/ast/ast_dram_tables.h
> index cc04539..02265b5 100644
> --- a/drivers/gpu/drm/ast/ast_dram_tables.h
> +++ b/drivers/gpu/drm/ast/ast_dram_tables.h
> @@ -141,4 +141,66 @@ static const struct ast_dramstruct
> ast2100_dram_table_data[] = {
>  	{ 0xffff, 0xffffffff },
>  };
>  
> +/*
> + * AST2500 DRAM settings modules
> + */
> +#define REGTBL_NUM           17
> +#define REGIDX_010           0
> +#define REGIDX_014           1
> +#define REGIDX_018           2
> +#define REGIDX_020           3
> +#define REGIDX_024           4
> +#define REGIDX_02C           5
> +#define REGIDX_030           6
> +#define REGIDX_214           7
> +#define REGIDX_2E0           8
> +#define REGIDX_2E4           9
> +#define REGIDX_2E8           10
> +#define REGIDX_2EC           11
> +#define REGIDX_2F0           12
> +#define REGIDX_2F4           13
> +#define REGIDX_2F8           14
> +#define REGIDX_RFC           15
> +#define REGIDX_PLL           16
> +
> +static u32 ast2500_ddr3_1600_timing_table[REGTBL_NUM] = {
> +	0x64604D38,                  /* 0x010 */
> +	0x29690599,                  /* 0x014 */
> +	0x00000300,                  /* 0x018 */
> +	0x00000000,                  /* 0x020 */
> +	0x00000000,                  /* 0x024 */
> +	0x02181E70,                  /* 0x02C */
> +	0x00000040,                  /* 0x030 */
> +	0x00000024,                  /* 0x214 */
> +	0x02001300,                  /* 0x2E0 */
> +	0x0E0000A0,                  /* 0x2E4 */
> +	0x000E001B,                  /* 0x2E8 */
> +	0x35B8C105,                  /* 0x2EC */
> +	0x08090408,                  /* 0x2F0 */
> +	0x9B000800,                  /* 0x2F4 */
> +	0x0E400A00,                  /* 0x2F8 */
> +	0x9971452F,                  /* tRFC  */
> +	0x000071C1		     /* PLL   */
> +};
> +
> +static u32 ast2500_ddr4_1600_timing_table[REGTBL_NUM] = {
> +	0x63604E37,                  /* 0x010 */
> +	0xE97AFA99,                  /* 0x014 */
> +	0x00019000,                  /* 0x018 */
> +	0x08000000,                  /* 0x020 */
> +	0x00000400,                  /* 0x024 */
> +	0x00000410,                  /* 0x02C */
> +	0x00000101,                  /* 0x030 */
> +	0x00000024,                  /* 0x214 */
> +	0x03002900,                  /* 0x2E0 */
> +	0x0E0000A0,                  /* 0x2E4 */
> +	0x000E001C,                  /* 0x2E8 */
> +	0x35B8C106,                  /* 0x2EC */
> +	0x08080607,                  /* 0x2F0 */
> +	0x9B000900,                  /* 0x2F4 */
> +	0x0E400A00,                  /* 0x2F8 */
> +	0x99714545,                  /* tRFC  */
> +	0x000071C1                   /* PLL   */
> +};
> +
>  #endif
> diff --git a/drivers/gpu/drm/ast/ast_drv.h
> b/drivers/gpu/drm/ast/ast_drv.h
> index 3bedcf7..2db97e2 100644
> --- a/drivers/gpu/drm/ast/ast_drv.h
> +++ b/drivers/gpu/drm/ast/ast_drv.h
> @@ -64,6 +64,7 @@ enum ast_chip {
>  	AST2150,
>  	AST2300,
>  	AST2400,
> +	AST2500,
>  	AST1180,
>  };
>  
> @@ -80,6 +81,7 @@ enum ast_tx_chip {
>  #define AST_DRAM_1Gx32   3
>  #define AST_DRAM_2Gx16   6
>  #define AST_DRAM_4Gx16   7
> +#define AST_DRAM_8Gx16   8
>  
>  struct ast_fbdev;
>  
> @@ -397,6 +399,7 @@ bool ast_is_vga_enabled(struct drm_device *dev);
>  void ast_post_gpu(struct drm_device *dev);
>  u32 ast_mindwm(struct ast_private *ast, u32 r);
>  void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
> +
>  /* ast dp501 */
>  int ast_load_dp501_microcode(struct drm_device *dev);
>  void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
> diff --git a/drivers/gpu/drm/ast/ast_main.c
> b/drivers/gpu/drm/ast/ast_main.c
> index d42a4f5..60f23cc 100644
> --- a/drivers/gpu/drm/ast/ast_main.c
> +++ b/drivers/gpu/drm/ast/ast_main.c
> @@ -32,8 +32,6 @@
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_crtc_helper.h>
>  
> -#include "ast_dram_tables.h"
> -
>  void ast_set_index_reg_mask(struct ast_private *ast,
>  			    uint32_t base, uint8_t index,
>  			    uint8_t mask, uint8_t val)
> @@ -106,7 +104,10 @@ static int ast_detect_chip(struct drm_device
> *dev, bool *need_post)
>  		ast->chip = AST1100;
>  		DRM_INFO("AST 1180 detected\n");
>  	} else {
> -		if (dev->pdev->revision >= 0x30) {
> +		if (dev->pdev->revision >= 0x40) {
> +			ast->chip = AST2500;
> +			DRM_INFO("AST 2500 detected\n");
> +		} else if (dev->pdev->revision >= 0x30) {
>  			ast->chip = AST2400;
>  			DRM_INFO("AST 2400 detected\n");
>  		} else if (dev->pdev->revision >= 0x20) {
> @@ -174,6 +175,9 @@ static int ast_detect_chip(struct drm_device
> *dev, bool *need_post)
>  			if (ast->chip == AST2400 &&
>  			    (scu_rev & 0x300) == 0x100) /* ast1400
> */
>  				ast->support_wide_screen = true;
> +			if (ast->chip == AST2500 &&
> +			    scu_rev == 0x100)           /* ast2510
> */
> +				ast->support_wide_screen = true;
>  		}
>  		break;
>  	}
> @@ -276,7 +280,23 @@ static int ast_get_dram_info(struct drm_device
> *dev)
>  	else
>  		ast->dram_bus_width = 32;
>  
> -	if (ast->chip == AST2300 || ast->chip == AST2400) {
> +	if (ast->chip == AST2500) {
> +		switch (mcr_cfg & 0x03) {
> +		case 0:
> +			ast->dram_type = AST_DRAM_1Gx16;
> +			break;
> +		default:
> +		case 1:
> +			ast->dram_type = AST_DRAM_2Gx16;
> +			break;
> +		case 2:
> +			ast->dram_type = AST_DRAM_4Gx16;
> +			break;
> +		case 3:
> +			ast->dram_type = AST_DRAM_8Gx16;
> +			break;
> +		}
> +	} else if (ast->chip == AST2300 || ast->chip == AST2400) {
>  		switch (mcr_cfg & 0x03) {
>  		case 0:
>  			ast->dram_type = AST_DRAM_512Mx16;
> @@ -474,7 +494,8 @@ int ast_driver_load(struct drm_device *dev,
> unsigned long flags)
>  		if (ret)
>  			goto out_free;
>  		ast->vram_size = ast_get_vram_info(dev);
> -		DRM_INFO("dram %d %d %d %08x\n", ast->mclk, ast-
> >dram_type, ast->dram_bus_width, ast->vram_size);
> +		DRM_INFO("dram MCLK=%u type=%d bus_width=%d
> size=%08x\n",
> +			 ast->mclk, ast->dram_type, ast-
> >dram_bus_width, ast->vram_size);
>  	}
>  
>  	if (need_post)
> @@ -497,6 +518,7 @@ int ast_driver_load(struct drm_device *dev,
> unsigned long flags)
>  	    ast->chip == AST2200 ||
>  	    ast->chip == AST2300 ||
>  	    ast->chip == AST2400 ||
> +	    ast->chip == AST2500 ||
>  	    ast->chip == AST1180) {
>  		dev->mode_config.max_width = 1920;
>  		dev->mode_config.max_height = 2048;
> diff --git a/drivers/gpu/drm/ast/ast_mode.c
> b/drivers/gpu/drm/ast/ast_mode.c
> index e26c98f..02bebf6 100644
> --- a/drivers/gpu/drm/ast/ast_mode.c
> +++ b/drivers/gpu/drm/ast/ast_mode.c
> @@ -271,7 +271,10 @@ static void ast_set_crtc_reg(struct drm_crtc
> *crtc, struct drm_display_mode *mod
>  {
>  	struct ast_private *ast = crtc->dev->dev_private;
>  	u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD =
> 0, jregAE = 0;
> -	u16 temp;
> +	u16 temp, precache = 0;
> +
> +	if ((ast->chip == AST2500) && (vbios_mode->enh_table->flags
> & AST2500PreCatchCRT))
> +		precache = 40;
>  
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f,
> 0x00);
>  
> @@ -297,12 +300,12 @@ static void ast_set_crtc_reg(struct drm_crtc
> *crtc, struct drm_display_mode *mod
>  		jregAD |= 0x01;  /* HBE D[5] */
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x03, 0xE0,
> (temp & 0x1f));
>  
> -	temp = (mode->crtc_hsync_start >> 3) - 1;
> +	temp = ((mode->crtc_hsync_start-precache) >> 3) - 1;
>  	if (temp & 0x100)
>  		jregAC |= 0x40; /* HRS D[5] */
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x04, 0x00,
> temp);
>  
> -	temp = ((mode->crtc_hsync_end >> 3) - 1) & 0x3f;
> +	temp = (((mode->crtc_hsync_end-precache) >> 3) - 1) & 0x3f;
>  	if (temp & 0x20)
>  		jregAD |= 0x04; /* HRE D[5] */
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x05, 0x60,
> (u8)((temp & 0x1f) | jreg05));
> @@ -363,6 +366,11 @@ static void ast_set_crtc_reg(struct drm_crtc
> *crtc, struct drm_display_mode *mod
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x09, 0xdf,
> jreg09);
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAE, 0x00,
> (jregAE | 0x80));
>  
> +    if (precache)
> +		ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6,
> 0x3f, 0x80);
> +    else
> +		ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6,
> 0x3f, 0x00);
> +
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f,
> 0x80);
>  }
>  
> @@ -383,12 +391,15 @@ static void ast_set_dclk_reg(struct drm_device
> *dev, struct drm_display_mode *mo
>  	struct ast_private *ast = dev->dev_private;
>  	struct ast_vbios_dclk_info *clk_info;
>  
> -	clk_info = &dclk_table[vbios_mode->enh_table->dclk_index];
> +	if (ast->chip == AST2500)
> +		clk_info = &dclk_table_ast2500[vbios_mode-
> >enh_table->dclk_index];
> +	else
> +		clk_info = &dclk_table[vbios_mode->enh_table-
> >dclk_index];
>  
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc0, 0x00,
> clk_info->param1);
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xc1, 0x00,
> clk_info->param2);
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xbb, 0x0f,
> -			       (clk_info->param3 & 0x80) |
> ((clk_info->param3 & 0x3) << 4));
> +			       (clk_info->param3 & 0xc0) |
> ((clk_info->param3 & 0x3) << 4));
>  }
>  
>  static void ast_set_ext_reg(struct drm_crtc *crtc, struct
> drm_display_mode *mode,
> @@ -421,7 +432,7 @@ static void ast_set_ext_reg(struct drm_crtc
> *crtc, struct drm_display_mode *mode
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd,
> jregA8);
>  
>  	/* Set Threshold */
> -	if (ast->chip == AST2300 || ast->chip == AST2400) {
> +	if (ast->chip == AST2300 || ast->chip == AST2400 || ast-
> >chip == AST2500) {
>  		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7,
> 0x78);
>  		ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6,
> 0x60);
>  	} else if (ast->chip == AST2100 ||
> @@ -794,7 +805,7 @@ static int ast_mode_valid(struct drm_connector
> *connector,
>  		if ((mode->hdisplay == 1600) && (mode->vdisplay ==
> 900))
>  			return MODE_OK;
>  
> -		if ((ast->chip == AST2100) || (ast->chip == AST2200)
> || (ast->chip == AST2300) || (ast->chip == AST2400) || (ast->chip ==
> AST1180)) {
> +		if ((ast->chip == AST2100) || (ast->chip == AST2200)
> || (ast->chip == AST2300) || (ast->chip == AST2400) || (ast->chip ==
> AST2500) || (ast->chip == AST1180)) {
>  			if ((mode->hdisplay == 1920) && (mode-
> >vdisplay == 1080))
>  				return MODE_OK;
>  
> diff --git a/drivers/gpu/drm/ast/ast_post.c
> b/drivers/gpu/drm/ast/ast_post.c
> index 7197635..0b41fb6 100644
> --- a/drivers/gpu/drm/ast/ast_post.c
> +++ b/drivers/gpu/drm/ast/ast_post.c
> @@ -31,7 +31,8 @@
>  
>  #include "ast_dram_tables.h"
>  
> -static void ast_init_dram_2300(struct drm_device *dev);
> +static void ast_post_chip_2300(struct drm_device *dev);
> +static void ast_post_chip_2500(struct drm_device *dev);
>  
>  void ast_enable_vga(struct drm_device *dev)
>  {
> @@ -82,7 +83,7 @@ ast_set_def_ext_reg(struct drm_device *dev)
>  	for (i = 0x81; i <= 0x8f; i++)
>  		ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, 0x00);
>  
> -	if (ast->chip == AST2300 || ast->chip == AST2400) {
> +	if (ast->chip == AST2300 || ast->chip == AST2400 || ast-
> >chip == AST2500) {
>  		if (dev->pdev->revision >= 0x20)
>  			ext_reg_info = extreginfo_ast2300;
>  		else
> @@ -106,7 +107,7 @@ ast_set_def_ext_reg(struct drm_device *dev)
>  
>  	/* Enable RAMDAC for A1 */
>  	reg = 0x04;
> -	if (ast->chip == AST2300 || ast->chip == AST2400)
> +	if (ast->chip == AST2300 || ast->chip == AST2400 || ast-
> >chip == AST2500)
>  		reg |= 0x20;
>  	ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff,
> reg);
>  }
> @@ -380,8 +381,10 @@ void ast_post_gpu(struct drm_device *dev)
>  	ast_set_def_ext_reg(dev);
>  
>  	if (ast->config_mode == ast_use_p2a) {
> +		if (ast->chip == AST2500)
> +			ast_post_chip_2500(dev);
>  		if (ast->chip == AST2300 || ast->chip == AST2400)
> -			ast_init_dram_2300(dev);
> +			ast_post_chip_2300(dev);
>  		else
>  			ast_init_dram_reg(dev);
>  
> @@ -445,85 +448,53 @@ static const u32 pattern[8] = {
>  	0x7C61D253
>  };
>  
> -static int mmc_test_burst(struct ast_private *ast, u32 datagen)
> +static int mmc_test(struct ast_private *ast, u32 datagen, u8
> test_ctl)
>  {
>  	u32 data, timeout;
>  
>  	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
> -	ast_moutdwm(ast, 0x1e6e0070, 0x000000c1 | (datagen << 3));
> +	ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl);
>  	timeout = 0;
>  	do {
>  		data = ast_mindwm(ast, 0x1e6e0070) & 0x3000;
>  		if (data & 0x2000) {
> -			return 0;
> +			return -1;
>  		}
>  		if (++timeout > TIMEOUT) {
>  			ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
> -			return 0;
> +			return -1;
>  		}
>  	} while (!data);
> +	data = ast_mindwm(ast, 0x1e6e0078);
> +	data = (data | (data >> 16)) & 0xffff;
>  	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
> -	return 1;
> +	return data;
>  }
>  
> -static int mmc_test_burst2(struct ast_private *ast, u32 datagen)
> +
> +static int mmc_test_burst(struct ast_private *ast, u32 datagen)
>  {
> -	u32 data, timeout;
> +	return mmc_test(ast, datagen, 0xc1);
> +}
>  
> -	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
> -	ast_moutdwm(ast, 0x1e6e0070, 0x00000041 | (datagen << 3));
> -	timeout = 0;
> -	do {
> -		data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
> -		if (++timeout > TIMEOUT) {
> -			ast_moutdwm(ast, 0x1e6e0070, 0x0);
> -			return -1;
> -		}
> -	} while (!data);
> -	data = ast_mindwm(ast, 0x1e6e0078);
> -	data = (data | (data >> 16)) & 0xffff;
> -	ast_moutdwm(ast, 0x1e6e0070, 0x0);
> -	return data;
> +static int mmc_test_burst2(struct ast_private *ast, u32 datagen)
> +{
> +	return mmc_test(ast, datagen, 0x41);
>  }
>  
>  static int mmc_test_single(struct ast_private *ast, u32 datagen)
>  {
> -	u32 data, timeout;
> -
> -	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
> -	ast_moutdwm(ast, 0x1e6e0070, 0x000000c5 | (datagen << 3));
> -	timeout = 0;
> -	do {
> -		data = ast_mindwm(ast, 0x1e6e0070) & 0x3000;
> -		if (data & 0x2000)
> -			return 0;
> -		if (++timeout > TIMEOUT) {
> -			ast_moutdwm(ast, 0x1e6e0070, 0x0);
> -			return 0;
> -		}
> -	} while (!data);
> -	ast_moutdwm(ast, 0x1e6e0070, 0x0);
> -	return 1;
> +	return mmc_test(ast, datagen, 0xc5);
>  }
>  
>  static int mmc_test_single2(struct ast_private *ast, u32 datagen)
>  {
> -	u32 data, timeout;
> +	return mmc_test(ast, datagen, 0x05);
> +}
>  
> -	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
> -	ast_moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3));
> -	timeout = 0;
> -	do {
> -		data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
> -		if (++timeout > TIMEOUT) {
> -			ast_moutdwm(ast, 0x1e6e0070, 0x0);
> -			return -1;
> -		}
> -	} while (!data);
> -	data = ast_mindwm(ast, 0x1e6e0078);
> -	data = (data | (data >> 16)) & 0xffff;
> -	ast_moutdwm(ast, 0x1e6e0070, 0x0);
> -	return data;
> +static int mmc_test_single_2500(struct ast_private *ast, u32
> datagen)
> +{
> +	return mmc_test(ast, datagen, 0x85);
>  }
>  
>  static int cbr_test(struct ast_private *ast)
> @@ -603,9 +574,9 @@ static u32 cbr_scan2(struct ast_private *ast)
>  
>  static u32 cbr_test3(struct ast_private *ast)
>  {
> -	if (!mmc_test_burst(ast, 0))
> +	if (mmc_test_burst(ast, 0) < 0)
>  		return 0;
> -	if (!mmc_test_single(ast, 0))
> +	if (mmc_test_single(ast, 0) < 0)
>  		return 0;
>  	return 1;
>  }
> @@ -1609,7 +1580,7 @@ static void ddr2_init(struct ast_private *ast,
> struct ast2300_dram_param *param)
>  
>  }
>  
> -static void ast_init_dram_2300(struct drm_device *dev)
> +static void ast_post_chip_2300(struct drm_device *dev)
>  {
>  	struct ast_private *ast = dev->dev_private;
>  	struct ast2300_dram_param param;
> @@ -1660,3 +1631,405 @@ static void ast_init_dram_2300(struct
> drm_device *dev)
>  	} while ((reg & 0x40) == 0);
>  }
>  
> +static bool cbr_test_2500(struct ast_private *ast)
> +{
> +	ast_moutdwm(ast, 0x1E6E0074, 0x0000FFFF);
> +	ast_moutdwm(ast, 0x1E6E007C, 0xFF00FF00);
> +	if (mmc_test_burst(ast, 0) < 0)
> +		return false;
> +	if (mmc_test_single_2500(ast, 0) < 0)
> +		return false;
> +	return true;
> +}
> +
> +static bool ddr_test_2500(struct ast_private *ast)
> +{
> +	ast_moutdwm(ast, 0x1E6E0074, 0x0000FFFF);
> +	ast_moutdwm(ast, 0x1E6E007C, 0xFF00FF00);
> +	if (mmc_test_burst(ast, 0) < 0)
> +		return false;
> +	if (mmc_test_burst(ast, 1) < 0)
> +		return false;
> +	if (mmc_test_burst(ast, 2) < 0)
> +		return false;
> +	if (mmc_test_burst(ast, 3) < 0)
> +		return false;
> +	if (mmc_test_single_2500(ast, 0) < 0)
> +		return false;
> +	return false;
> +}
> +
> +static void ddr_init_common_2500(struct ast_private *ast)
> +{
> +	ast_moutdwm(ast, 0x1E6E0034,0x00020080);
> +	ast_moutdwm(ast, 0x1E6E0008,0x2003000F);
> +	ast_moutdwm(ast, 0x1E6E0038,0x00000FFF);
> +	ast_moutdwm(ast, 0x1E6E0040,0x88448844);
> +	ast_moutdwm(ast, 0x1E6E0044,0x24422288);
> +	ast_moutdwm(ast, 0x1E6E0048,0x22222222);
> +	ast_moutdwm(ast, 0x1E6E004C,0x22222222);
> +	ast_moutdwm(ast, 0x1E6E0050,0x80000000);
> +	ast_moutdwm(ast, 0x1E6E0208,0x00000000);
> +	ast_moutdwm(ast, 0x1E6E0218,0x00000000);
> +	ast_moutdwm(ast, 0x1E6E0220,0x00000000);
> +	ast_moutdwm(ast, 0x1E6E0228,0x00000000);
> +	ast_moutdwm(ast, 0x1E6E0230,0x00000000);
> +	ast_moutdwm(ast, 0x1E6E02A8,0x00000000);
> +	ast_moutdwm(ast, 0x1E6E02B0,0x00000000);
> +	ast_moutdwm(ast, 0x1E6E0240,0x86000000);
> +	ast_moutdwm(ast, 0x1E6E0244,0x00008600);
> +	ast_moutdwm(ast, 0x1E6E0248,0x80000000);
> +	ast_moutdwm(ast, 0x1E6E024C,0x80808080);
> +}
> +
> +static void ddr_phy_init_2500(struct ast_private *ast)
> +{
> +	u32 data, pass, timecnt;
> +
> +	pass = 0;
> +	ast_moutdwm(ast, 0x1E6E0060,0x00000005);
> +	while (!pass) {
> +		for(timecnt = 0;timecnt < TIMEOUT;timecnt++) {
> +			data = ast_mindwm(ast, 0x1E6E0060) & 0x1;
> +			if (!data)
> +				break;
> +		}
> +		if (timecnt != TIMEOUT) {
> +			data = ast_mindwm(ast, 0x1E6E0300) &
> 0x000A0000;
> +			if (!data)
> +				pass = 1;
> +		}
> +		if (!pass) {
> +			ast_moutdwm(ast, 0x1E6E0060,0x00000000);
> +			udelay(10); /* delay 10 us */
> +			ast_moutdwm(ast, 0x1E6E0060,0x00000005);
> +		}
> +	}
> +
> +	ast_moutdwm(ast, 0x1E6E0060,0x00000006);
> +}
> +
> +/*******************************************************************
> ***********
> + Check DRAM Size
> + 1Gb : 0x80000000 ~ 0x87FFFFFF
> + 2Gb : 0x80000000 ~ 0x8FFFFFFF
> + 4Gb : 0x80000000 ~ 0x9FFFFFFF
> + 8Gb : 0x80000000 ~ 0xBFFFFFFF
> +********************************************************************
> *********/
> +static void check_dram_size_2500(struct ast_private *ast, u32 tRFC)
> +{
> +	u32 reg_04, reg_14;
> +
> +	reg_04 = ast_mindwm(ast, 0x1E6E0004) & 0xfffffffc;
> +	reg_14 = ast_mindwm(ast, 0x1E6E0014) & 0xffffff00;
> +
> +	ast_moutdwm(ast, 0xA0100000, 0x41424344);
> +	ast_moutdwm(ast, 0x90100000, 0x35363738);
> +	ast_moutdwm(ast, 0x88100000, 0x292A2B2C);
> +	ast_moutdwm(ast, 0x80100000, 0x1D1E1F10);
> +
> +	/* Check 8Gbit */
> +	if (ast_mindwm(ast, 0xA0100000) == 0x41424344) {
> +		reg_04 |= 0x03;
> +		reg_14 |= (tRFC >> 24) & 0xFF;
> +		/* Check 4Gbit */
> +	} else if (ast_mindwm(ast, 0x90100000) == 0x35363738) {
> +		reg_04 |= 0x02;
> +		reg_14 |= (tRFC >> 16) & 0xFF;
> +		/* Check 2Gbit */
> +	} else if (ast_mindwm(ast, 0x88100000) == 0x292A2B2C) {
> +		reg_04 |= 0x01;
> +		reg_14 |= (tRFC >> 8) & 0xFF;
> +	} else {
> +		reg_14 |= tRFC & 0xFF;
> +	}
> +	ast_moutdwm(ast, 0x1E6E0004, reg_04);
> +	ast_moutdwm(ast, 0x1E6E0014, reg_14);
> +}
> +
> +static void enable_cache_2500(struct ast_private *ast)
> +{
> +	u32 reg_04, data;
> +
> +	reg_04 = ast_mindwm(ast, 0x1E6E0004);
> +	ast_moutdwm(ast, 0x1E6E0004, reg_04 | 0x1000);
> +
> +	do
> +		data = ast_mindwm(ast, 0x1E6E0004);
> +	while (!(data & 0x80000));
> +	ast_moutdwm(ast, 0x1E6E0004, reg_04 | 0x400);
> +}
> +
> +static void set_mpll_2500(struct ast_private *ast)
> +{
> +	u32 addr, data, param;
> +
> +	/* Reset MMC */
> +	ast_moutdwm(ast, 0x1E6E0000,0xFC600309);
> +	ast_moutdwm(ast, 0x1E6E0034,0x00020080);
> +	for (addr = 0x1e6e0004; addr < 0x1e6e0090;) {
> +		ast_moutdwm(ast, addr, 0x0);
> +		addr += 4;
> +	}
> +	ast_moutdwm(ast, 0x1E6E0034,0x00020000);
> +
> +	ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
> +	data = ast_mindwm(ast, 0x1E6E2070) & 0x00800000;
> +	if (data) {
> +		/* CLKIN = 25MHz */
> +		param = 0x930023E0;
> +		ast_moutdwm(ast, 0x1E6E2160, 0x00011320);
> +	} else {
> +		/* CLKIN = 24MHz */
> +		param = 0x93002400;
> +	}
> +	ast_moutdwm(ast, 0x1E6E2020, param);
> +	udelay(100);
> +}
> +
> +static void reset_mmc_2500(struct ast_private *ast)
> +{
> +	ast_moutdwm(ast, 0x1E78505C,0x00000004);
> +	ast_moutdwm(ast, 0x1E785044,0x00000001);
> +	ast_moutdwm(ast, 0x1E785048,0x00004755);
> +	ast_moutdwm(ast, 0x1E78504C,0x00000013);
> +	mdelay(100);					/* delay
> 100ms */
> +	ast_moutdwm(ast, 0x1E785054,0x00000077);
> +	ast_moutdwm(ast, 0x1E6E0000,0xFC600309);
> +}
> +
> +static void ddr3_init_2500(struct ast_private *ast, u32 *ddr_table)
> +{
> +
> +	ast_moutdwm(ast, 0x1E6E0004,0x00000303);
> +	ast_moutdwm(ast, 0x1E6E0010,ddr_table[REGIDX_010]);
> +	ast_moutdwm(ast, 0x1E6E0014,ddr_table[REGIDX_014]);
> +	ast_moutdwm(ast, 0x1E6E0018,ddr_table[REGIDX_018]);
> +	ast_moutdwm(ast,
> 0x1E6E0020,ddr_table[REGIDX_020]);          /* MODEREG4/6 */
> +	ast_moutdwm(ast,
> 0x1E6E0024,ddr_table[REGIDX_024]);          /* MODEREG5 */
> +	ast_moutdwm(ast, 0x1E6E002C,ddr_table[REGIDX_02C] |
> 0x100);  /* MODEREG0/2 */
> +	ast_moutdwm(ast,
> 0x1E6E0030,ddr_table[REGIDX_030]);          /* MODEREG1/3 */
> +
> +	/* DDR PHY Setting */
> +	ast_moutdwm(ast, 0x1E6E0200,0x02492AAE);
> +	ast_moutdwm(ast, 0x1E6E0204,0x00001001);
> +	ast_moutdwm(ast, 0x1E6E020C,0x55E00B0B);
> +	ast_moutdwm(ast, 0x1E6E0210,0x20000000);
> +	ast_moutdwm(ast, 0x1E6E0214,ddr_table[REGIDX_214]);
> +	ast_moutdwm(ast, 0x1E6E02E0,ddr_table[REGIDX_2E0]);
> +	ast_moutdwm(ast, 0x1E6E02E4,ddr_table[REGIDX_2E4]);
> +	ast_moutdwm(ast, 0x1E6E02E8,ddr_table[REGIDX_2E8]);
> +	ast_moutdwm(ast, 0x1E6E02EC,ddr_table[REGIDX_2EC]);
> +	ast_moutdwm(ast, 0x1E6E02F0,ddr_table[REGIDX_2F0]);
> +	ast_moutdwm(ast, 0x1E6E02F4,ddr_table[REGIDX_2F4]);
> +	ast_moutdwm(ast, 0x1E6E02F8,ddr_table[REGIDX_2F8]);
> +	ast_moutdwm(ast, 0x1E6E0290,0x00100008);
> +	ast_moutdwm(ast, 0x1E6E02C0,0x00000006);
> +
> +	/* Controller Setting */
> +	ast_moutdwm(ast, 0x1E6E0034,0x00020091);
> +
> +	/* Wait DDR PHY init done */
> +	ddr_phy_init_2500(ast);
> +
> +	ast_moutdwm(ast, 0x1E6E0120,ddr_table[REGIDX_PLL]);
> +	ast_moutdwm(ast, 0x1E6E000C,0x42AA5C81);
> +	ast_moutdwm(ast, 0x1E6E0034,0x0001AF93);
> +
> +	check_dram_size_2500(ast, ddr_table[REGIDX_RFC]);
> +	enable_cache_2500(ast);
> +	ast_moutdwm(ast, 0x1E6E001C,0x00000008);
> +	ast_moutdwm(ast, 0x1E6E0038,0xFFFFFF00);
> +}
> +
> +static void ddr4_init_2500(struct ast_private *ast, u32 *ddr_table)
> +{
> +	u32 data, data2, pass, retrycnt;
> +	u32 ddr_vref, phy_vref;
> +	u32 min_ddr_vref=0, min_phy_vref=0;
> +	u32 max_ddr_vref=0, max_phy_vref=0;
> +
> +	ast_moutdwm(ast, 0x1E6E0004,0x00000313);
> +	ast_moutdwm(ast, 0x1E6E0010,ddr_table[REGIDX_010]);
> +	ast_moutdwm(ast, 0x1E6E0014,ddr_table[REGIDX_014]);
> +	ast_moutdwm(ast, 0x1E6E0018,ddr_table[REGIDX_018]);
> +	ast_moutdwm(ast,
> 0x1E6E0020,ddr_table[REGIDX_020]);          /* MODEREG4/6 */
> +	ast_moutdwm(ast,
> 0x1E6E0024,ddr_table[REGIDX_024]);          /* MODEREG5 */
> +	ast_moutdwm(ast, 0x1E6E002C,ddr_table[REGIDX_02C] |
> 0x100);  /* MODEREG0/2 */
> +	ast_moutdwm(ast,
> 0x1E6E0030,ddr_table[REGIDX_030]);          /* MODEREG1/3 */
> +
> +	/* DDR PHY Setting */
> +	ast_moutdwm(ast, 0x1E6E0200,0x42492AAE);
> +	ast_moutdwm(ast, 0x1E6E0204,0x09002000);
> +	ast_moutdwm(ast, 0x1E6E020C,0x55E00B0B);
> +	ast_moutdwm(ast, 0x1E6E0210,0x20000000);
> +	ast_moutdwm(ast, 0x1E6E0214,ddr_table[REGIDX_214]);
> +	ast_moutdwm(ast, 0x1E6E02E0,ddr_table[REGIDX_2E0]);
> +	ast_moutdwm(ast, 0x1E6E02E4,ddr_table[REGIDX_2E4]);
> +	ast_moutdwm(ast, 0x1E6E02E8,ddr_table[REGIDX_2E8]);
> +	ast_moutdwm(ast, 0x1E6E02EC,ddr_table[REGIDX_2EC]);
> +	ast_moutdwm(ast, 0x1E6E02F0,ddr_table[REGIDX_2F0]);
> +	ast_moutdwm(ast, 0x1E6E02F4,ddr_table[REGIDX_2F4]);
> +	ast_moutdwm(ast, 0x1E6E02F8,ddr_table[REGIDX_2F8]);
> +	ast_moutdwm(ast, 0x1E6E0290,0x00100008);
> +	ast_moutdwm(ast, 0x1E6E02C4,0x3C183C3C);
> +	ast_moutdwm(ast, 0x1E6E02C8,0x00631E0E);
> +
> +	/* Controller Setting */
> +	ast_moutdwm(ast, 0x1E6E0034,0x0001A991);
> +
> +	/* Train PHY Vref first */
> +	pass = 0;
> +
> +	for (retrycnt = 0;retrycnt < 4 && pass == 0;retrycnt++) {
> +		max_phy_vref = 0x0;
> +		pass = 0;
> +		ast_moutdwm(ast, 0x1E6E02C0,0x00001C06);
> +		for (phy_vref = 0x40;phy_vref < 0x80;phy_vref++) {
> +			ast_moutdwm(ast, 0x1E6E000C,0x00000000);
> +			ast_moutdwm(ast, 0x1E6E0060,0x00000000);
> +			ast_moutdwm(ast, 0x1E6E02CC,phy_vref |
> (phy_vref << 8));
> +			/* Fire DFI Init */
> +			ddr_phy_init_2500(ast);
> +			ast_moutdwm(ast, 0x1E6E000C,0x00005C01);
> +			if (cbr_test_2500(ast)) {
> +				pass++;
> +				data = ast_mindwm(ast, 0x1E6E03D0);
> +				data2 = data >> 8;
> +				data  = data & 0xff;
> +				if (data > data2)
> +					data = data2;
> +				if (max_phy_vref < data) {
> +					max_phy_vref = data;
> +					min_phy_vref = phy_vref;
> +				}
> +			} else if (pass > 0)
> +				break;
> +		}
> +	}
> +	ast_moutdwm(ast, 0x1E6E02CC,min_phy_vref | (min_phy_vref <<
> 8));
> +
> +	/* Train DDR Vref next */
> +	pass = 0;
> +
> +	for (retrycnt = 0;retrycnt < 4 && pass == 0;retrycnt++) {
> +		min_ddr_vref = 0xFF;
> +		max_ddr_vref = 0x0;
> +		pass = 0;
> +		for (ddr_vref = 0x00;ddr_vref < 0x40;ddr_vref++) {
> +			ast_moutdwm(ast, 0x1E6E000C,0x00000000);
> +			ast_moutdwm(ast, 0x1E6E0060,0x00000000);
> +			ast_moutdwm(ast, 0x1E6E02C0,0x00000006 |
> (ddr_vref << 8));
> +			/* Fire DFI Init */
> +			ddr_phy_init_2500(ast);
> +			ast_moutdwm(ast, 0x1E6E000C,0x00005C01);
> +			if (cbr_test_2500(ast)) {
> +				pass++;
> +				if (min_ddr_vref > ddr_vref)
> +					min_ddr_vref = ddr_vref;
> +				if (max_ddr_vref < ddr_vref)
> +					max_ddr_vref = ddr_vref;
> +			} else if (pass != 0)
> +				break;
> +		}
> +	}
> +
> +	ast_moutdwm(ast, 0x1E6E000C,0x00000000);
> +	ast_moutdwm(ast, 0x1E6E0060,0x00000000);
> +	ddr_vref = (min_ddr_vref + max_ddr_vref + 1) >> 1;
> +	ast_moutdwm(ast, 0x1E6E02C0,0x00000006 | (ddr_vref << 8));
> +
> +	/* Wait DDR PHY init done */
> +	ddr_phy_init_2500(ast);
> +
> +	ast_moutdwm(ast, 0x1E6E0120,ddr_table[REGIDX_PLL]);
> +	ast_moutdwm(ast, 0x1E6E000C,0x42AA5C81);
> +	ast_moutdwm(ast, 0x1E6E0034,0x0001AF93);
> +
> +	check_dram_size_2500(ast, ddr_table[REGIDX_RFC]);
> +	enable_cache_2500(ast);
> +	ast_moutdwm(ast, 0x1E6E001C,0x00000008);
> +	ast_moutdwm(ast, 0x1E6E0038,0xFFFFFF00);
> +}
> +
> +static bool ast_dram_init_2500(struct ast_private *ast)
> +{
> +	u32 data;
> +	u32 max_tries = 5;
> +
> +	do {
> +		if (max_tries-- == 0)
> +			return false;
> +		set_mpll_2500(ast);
> +		reset_mmc_2500(ast);
> +		ddr_init_common_2500(ast);
> +
> +		data = ast_mindwm(ast, 0x1E6E2070);
> +		if (data & 0x01000000)
> +			ddr4_init_2500(ast,
> ast2500_ddr4_1600_timing_table);
> +		else
> +			ddr3_init_2500(ast,
> ast2500_ddr3_1600_timing_table);
> +	} while (!ddr_test_2500(ast));
> +
> +	ast_moutdwm(ast, 0x1E6E2040, ast_mindwm(ast, 0x1E6E2040) |
> 0x41);
> +
> +	/* Patch code */
> +	data = ast_mindwm(ast, 0x1E6E200C) & 0xF9FFFFFF;
> +	ast_moutdwm(ast, 0x1E6E200C, data | 0x10000000);
> +
> +	return true;
> +}
> +
> +void ast_post_chip_2500(struct drm_device *dev)
> +{
> +	struct ast_private *ast = dev->dev_private;
> +	u32 temp;
> +	u8 reg;
> +
> +	reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0,
> 0xff);
> +	if ((reg & 0x80) == 0) {/* vga only */
> +  		/* Clear bus lock condition */
> +  		ast_moutdwm(ast, 0x1e600000,0xAEED1A03);
> +		ast_moutdwm(ast, 0x1e600084,0x00010000);
> +		ast_moutdwm(ast, 0x1e600088,0x00000000);
> +		ast_moutdwm(ast, 0x1e6e2000,0x1688A8A8);
> +		ast_write32(ast, 0xf004, 0x1e6e0000);
> +		ast_write32(ast, 0xf000, 0x1);
> +		ast_write32(ast, 0x12000, 0x1688a8a8);
> +		while (ast_read32(ast, 0x12000) != 0x1)
> +			;
> +
> +		ast_write32(ast, 0x10000, 0xfc600309);
> +		while (ast_read32(ast, 0x10000) != 0x1)
> +			;
> +
> +		/* Slow down CPU/AHB CLK in VGA only mode */
> +		temp = ast_read32(ast, 0x12008);
> +		temp |= 0x73;
> +		ast_write32(ast, 0x12008, temp);
> +
> +		/* Reset USB port to patch USB unknown device issue
> */
> + 	 	ast_moutdwm(ast, 0x1e6e2090, 0x20000000);
> +		temp  = ast_mindwm(ast, 0x1e6e2094);
> +		temp |= 0x00004000;
> +		ast_moutdwm(ast, 0x1e6e2094, temp);
> +		temp  = ast_mindwm(ast, 0x1e6e2070);
> +		if (temp & 0x00800000) {
> +			ast_moutdwm(ast, 0x1e6e207c, 0x00800000);
> +			mdelay(100);
> +			ast_moutdwm(ast, 0x1e6e2070, 0x00800000);
> +		}
> +
> +		if (!ast_dram_init_2500(ast)) {
> +			DRM_ERROR("DRAM init failed !\n");
> +		}
> +
> +		temp = ast_mindwm(ast, 0x1e6e2040);
> +		ast_moutdwm(ast, 0x1e6e2040, temp | 0x40);
> +	}
> +
> +	/* wait ready */
> +	do {
> +		reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT,
> 0xd0, 0xff);
> +	} while ((reg & 0x40) == 0);
> +}
> diff --git a/drivers/gpu/drm/ast/ast_tables.h
> b/drivers/gpu/drm/ast/ast_tables.h
> index 3608d5a..24da4c2 100644
> --- a/drivers/gpu/drm/ast/ast_tables.h
> +++ b/drivers/gpu/drm/ast/ast_tables.h
> @@ -47,6 +47,7 @@
>  #define SyncPN			(PVSync | NHSync)
>  #define SyncNP			(NVSync | PHSync)
>  #define SyncNN			(NVSync | NHSync)
> +#define AST2500PreCatchCRT		0x00004000
>  
>  /* DCLK Index */
>  #define VCLK25_175     		0x00
> @@ -108,6 +109,36 @@ static struct ast_vbios_dclk_info dclk_table[] =
> {
>  	{0x3b, 0x2c, 0x81},					/
> * 1A: VCLK118_25	*/
>  };
>  
> +static struct ast_vbios_dclk_info dclk_table_ast2500[] = {
> +	{0x2C, 0xE7, 0x03},					/
> * 00: VCLK25_175	*/
> +	{0x95, 0x62, 0x03},				        /
> * 01: VCLK28_322	*/
> +	{0x67, 0x63, 0x01},				        /
> * 02: VCLK31_5         */
> +	{0x76, 0x63, 0x01},				        /
> * 03: VCLK36         	*/
> +	{0xEE, 0x67, 0x01},				        /
> * 04: VCLK40          	*/
> +	{0x82, 0x62, 0x01}, 			        /* 05:
> VCLK49_5        	*/
> +	{0xC6, 0x64, 0x01},                        	        /
> * 06: VCLK50          	*/
> +	{0x94, 0x62, 0x01},                        	        /
> * 07: VCLK56_25       	*/
> +	{0x80, 0x64, 0x00},                        	        /
> * 08: VCLK65		*/
> +	{0x7B, 0x63, 0x00},                        	        /
> * 09: VCLK75	        */
> +	{0x67, 0x62, 0x00},				        /
> * 0A: VCLK78_75       	*/
> +	{0x7C, 0x62, 0x00},                        	        /
> * 0B: VCLK94_5        	*/
> +	{0x8E, 0x62, 0x00},                        	        /
> * 0C: VCLK108         	*/
> +	{0x85, 0x24, 0x00},                        	        /
> * 0D: VCLK135         	*/
> +	{0x67, 0x22, 0x00},                        	        /
> * 0E: VCLK157_5       	*/
> +	{0x6A, 0x22, 0x00},				        /
> * 0F: VCLK162         	*/
> +	{0x4d, 0x4c, 0x80},				        /
> * 10: VCLK154      	*/
> +	{0xa7, 0x78, 0x80},					/
> * 11: VCLK83.5         */
> +	{0x28, 0x49, 0x80},					/
> * 12: VCLK106.5        */
> +	{0x37, 0x49, 0x80},					/
> * 13: VCLK146.25       */
> +	{0x1f, 0x45, 0x80},					/
> * 14: VCLK148.5        */
> +	{0x47, 0x6c, 0x80},					/
> * 15: VCLK71       */
> +	{0x25, 0x65, 0x80},					/
> * 16: VCLK88.75    */
> +	{0x58, 0x01, 0x42},					/
> * 17: VCLK119      */
> +	{0x32, 0x67, 0x80},				    /*
> 18: VCLK85_5     */
> +	{0x6a, 0x6d, 0x80},					/
> * 19: VCLK97_75	*/
> +	{0x44, 0x20, 0x43},					/
> * 1A: VCLK118_25	*/
> +};
> +
>  static struct ast_vbios_stdtable vbios_stdtable[] = {
>  	/* MD_2_3_400 */
>  	{
> @@ -244,32 +275,32 @@ static struct ast_vbios_enhtable
> res_1600x1200[] = {
>  /* 16:9 */
>  static struct ast_vbios_enhtable res_1360x768[] = {
>  	{1792, 1360, 64,112, 795,  768, 3, 6, VCLK85_5,	     
>     /* 60Hz */
> -	 (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 1, 0x39 },
> +	 (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 60, 1, 0x39 },
>  	{1792, 1360, 64,112, 795,  768, 3, 6, VCLK85_5,	     
>     /* end */
>  	 (SyncPP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 0xFF, 1, 0x39 },
>  };
>  
>  static struct ast_vbios_enhtable res_1600x900[] = {
>  	{1760, 1600, 48, 32, 926,  900, 3, 5, VCLK97_75,	/*
> 60Hz CVT RB */
> -	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 1, 0x3A },
> -	{2112, 1600, 88,168, 934,  900, 3, 5, VCLK118_25,	/*
> 60Hz CVT */
> -	 (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 2, 0x3A },
> -	{2112, 1600, 88,168, 934,  900, 3, 5, VCLK118_25,	/*
> 60Hz CVT */
> -	 (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 0xFF, 2, 0x3A },
> +	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 60, 1, 0x3A },
> +    {2112, 1600, 88,168, 934,  900, 3, 5, VCLK118_25,	/* 60Hz
> CVT */
> +     (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 2, 0x3A },
> +    {2112, 1600, 88,168, 934,  900, 3, 5, VCLK118_25,	/* 60Hz
> CVT */
> +     (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 0xFF, 2, 0x3A },
>  };
>  
>  static struct ast_vbios_enhtable res_1920x1080[] = {
>  	{2200, 1920, 88, 44, 1125, 1080, 4, 5, VCLK148_5,	/*
> 60Hz */
> -	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 1, 0x38 },
> +	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 60, 1, 0x38 },
>  	{2200, 1920, 88, 44, 1125, 1080, 4, 5, VCLK148_5,	/*
> 60Hz */
> -	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 0xFF, 1, 0x38 },
> +	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 0xFF, 1, 0x38 },
>  };
>  
>  
>  /* 16:10 */
>  static struct ast_vbios_enhtable res_1280x800[] = {
>  	{1440, 1280, 48, 32,  823,  800, 3, 6, VCLK71,	/*
> 60Hz RB */
> -	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 1, 0x35 },
> +	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 60, 1, 0x35 },
>  	{1680, 1280, 72,128,  831,  800, 3, 6, VCLK83_5,	/*
> 60Hz */
>  	 (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 2, 0x35 },
>  	{1680, 1280, 72,128,  831,  800, 3, 6, VCLK83_5,	/*
> 60Hz */
> @@ -279,7 +310,7 @@ static struct ast_vbios_enhtable res_1280x800[] =
> {
>  
>  static struct ast_vbios_enhtable res_1440x900[] = {
>  	{1600, 1440, 48, 32,  926,  900, 3, 6, VCLK88_75,	/*
> 60Hz RB */
> -	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 1, 0x36 },
> +	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 60, 1, 0x36 },
>  	{1904, 1440, 80,152,  934,  900, 3, 6, VCLK106_5,	/*
> 60Hz */
>  	 (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 2, 0x36 },
>  	{1904, 1440, 80,152,  934,  900, 3, 6, VCLK106_5,	/*
> 60Hz */
> @@ -288,7 +319,7 @@ static struct ast_vbios_enhtable res_1440x900[] =
> {
>  
>  static struct ast_vbios_enhtable res_1680x1050[] = {
>  	{1840, 1680, 48, 32, 1080, 1050, 3, 6, VCLK119,	/*
> 60Hz RB */
> -	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 1, 0x37 },
> +	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 60, 1, 0x37 },
>  	{2240, 1680,104,176, 1089, 1050, 3, 6, VCLK146_25,	/*
> 60Hz */
>  	 (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 2, 0x37 },
>  	{2240, 1680,104,176, 1089, 1050, 3, 6, VCLK146_25,	/*
> 60Hz */
> @@ -297,9 +328,9 @@ static struct ast_vbios_enhtable res_1680x1050[]
> = {
>  
>  static struct ast_vbios_enhtable res_1920x1200[] = {
>  	{2080, 1920, 48, 32, 1235, 1200, 3, 6, VCLK154,	/*
> 60Hz RB*/
> -	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 60, 1, 0x34 },
> +	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 60, 1, 0x34 },
>  	{2080, 1920, 48, 32, 1235, 1200, 3, 6, VCLK154,	/*
> 60Hz RB */
> -	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo), 0xFF, 1, 0x34 },
> +	 (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode |
> NewModeInfo | AST2500PreCatchCRT), 0xFF, 1, 0x34 },
>  };
>  
>  #endif


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