Re: [PATCH v2] drm/ast: Add resolution support for 1152x864@75

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Hi

Am 16.09.22 um 10:50 schrieb Jammy Huang:
Add 1152x864 into support list.

Signed-off-by: Jammy Huang <jammy_huang@xxxxxxxxxxxxxx>

Applied to drm-misc-next. Thanks!

Best regards
Thomas

---
v2 changes:
  - add check in mode_valid
---
  drivers/gpu/drm/ast/ast_mode.c   | 9 +++++++++
  drivers/gpu/drm/ast/ast_tables.h | 7 +++++++
  2 files changed, 16 insertions(+)

diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 214b10178454..d327dcbaf032 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -114,6 +114,9 @@ static bool ast_get_vbios_mode_info(const struct drm_format_info *format,
  	case 1024:
  		vbios_mode->enh_table = &res_1024x768[refresh_rate_index];
  		break;
+	case 1152:
+		vbios_mode->enh_table = &res_1152x864[refresh_rate_index];
+		break;
  	case 1280:
  		if (mode->crtc_vdisplay == 800)
  			vbios_mode->enh_table = &res_1280x800[refresh_rate_index];
@@ -1058,6 +1061,8 @@ ast_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode
  			return MODE_OK;
  		if ((mode->hdisplay == 1600) && (mode->vdisplay == 900))
  			return MODE_OK;
+		if ((mode->hdisplay == 1152) && (mode->vdisplay == 864))
+			return MODE_OK;
if ((ast->chip == AST2100) || (ast->chip == AST2200) ||
  		    (ast->chip == AST2300) || (ast->chip == AST2400) ||
@@ -1090,6 +1095,10 @@ ast_crtc_helper_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode
  		if (mode->vdisplay == 768)
  			status = MODE_OK;
  		break;
+	case 1152:
+		if (mode->vdisplay == 864)
+			status = MODE_OK;
+		break;
  	case 1280:
  		if (mode->vdisplay == 1024)
  			status = MODE_OK;
diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h
index dbe1cc620f6e..0378c9bc079b 100644
--- a/drivers/gpu/drm/ast/ast_tables.h
+++ b/drivers/gpu/drm/ast/ast_tables.h
@@ -272,6 +272,13 @@ static const struct ast_vbios_enhtable res_1600x1200[] = {
  	 (SyncPP | Charx8Dot), 0xFF, 1, 0x33 },
  };
+static const struct ast_vbios_enhtable res_1152x864[] = {
+	{1600, 1152, 64, 128,  900,  864, 1, 3, VCLK108,	/* 75Hz */
+	 (SyncPP | Charx8Dot | NewModeInfo), 75, 1, 0x3B },
+	{1600, 1152, 64, 128,  900,  864, 1, 3, VCLK108,	/* end */
+	 (SyncPP | Charx8Dot | NewModeInfo), 0xFF, 1, 0x3B },
+};
+
  /* 16:9 */
  static const struct ast_vbios_enhtable res_1360x768[] = {
  	{1792, 1360, 64, 112, 795, 768, 3, 6, VCLK85_5,		/* 60Hz */

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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