From 71dee0361bd04f31c37525e69817654c6e23c97a Mon Sep 17 00:00:00 2001 From: Jammy Huang Date: Fri, 16 Sep 2022 16:50:58 +0800 Subject: [PATCH] drm/ast: Add resolution support for 1152x864@75 Add 1152x864 into support list. Signed-off-by: Jammy Huang Signed-off-by: Thomas Zimmermann Link: https://patchwork.freedesktop.org/patch/msgid/20220916085058.3386-1-jammy_huang@aspeedtech.com --- 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 103bd4f..b613344 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -113,6 +113,9 @@ 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]; @@ -1057,6 +1060,8 @@ 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) || @@ -1089,6 +1094,10 @@ 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 dbe1cc6..0378c9b 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 */ -- 2.7.4