From: Jammy Huang <jammy_huang@aspeedtech.com>
To: <airlied@redhat.com>, <tzimmermann@suse.de>, <airlied@linux.ie>,
<daniel@ffwll.ch>, <dri-devel@lists.freedesktop.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH v2] drm/ast: Add resolution support for 1152x864@75
Date: Fri, 16 Sep 2022 16:50:58 +0800 [thread overview]
Message-ID: <20220916085058.3386-1-jammy_huang@aspeedtech.com> (raw)
Add 1152x864 into support list.
Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
---
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 */
--
2.25.1
next reply other threads:[~2022-09-16 8:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-16 8:50 Jammy Huang [this message]
2022-09-20 8:42 ` Thomas Zimmermann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220916085058.3386-1-jammy_huang@aspeedtech.com \
--to=jammy_huang@aspeedtech.com \
--cc=airlied@linux.ie \
--cc=airlied@redhat.com \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tzimmermann@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®