Files
LibreELEC.tv/projects/Amlogic/devices/AMLGX/patches/linux/amlogic-0035-FROMLIST-v1-Revert-drm-meson-vclk-fix-calculation-of.patch
Christian Hewitt 6420e2ce08 linux: update Amlogic items for Linux 6.14.y
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
2025-04-20 07:50:19 +00:00

52 lines
2.1 KiB
Diff

From cea22ff6abfc0d053eba4fe6eecb39060451c2c9 Mon Sep 17 00:00:00 2001
From: Christian Hewitt <christianshewitt@gmail.com>
Date: Sat, 4 Jan 2025 23:45:46 +0000
Subject: [PATCH 35/51] FROMLIST(v1): Revert "drm/meson: vclk: fix calculation
of 59.94 fractional rates"
This reverts commit bfbc68e4d8695497f858a45a142665e22a512ea3.
The patch does permit the offending YUV420 @ 59.94 phy_freq and
vclk_freq mode to match in calculations. It also results in all
fractional rates being unavailable for use. This was unintended
and requires the patch to be reverted.
Cc: <stable@vger.kernel.org>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
drivers/gpu/drm/meson/meson_vclk.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/meson/meson_vclk.c b/drivers/gpu/drm/meson/meson_vclk.c
index 2a942dc6a6dc..2a82119eb58e 100644
--- a/drivers/gpu/drm/meson/meson_vclk.c
+++ b/drivers/gpu/drm/meson/meson_vclk.c
@@ -790,13 +790,13 @@ meson_vclk_vic_supported_freq(struct meson_drm *priv, unsigned int phy_freq,
FREQ_1000_1001(params[i].pixel_freq));
DRM_DEBUG_DRIVER("i = %d phy_freq = %d alt = %d\n",
i, params[i].phy_freq,
- FREQ_1000_1001(params[i].phy_freq/1000)*1000);
+ FREQ_1000_1001(params[i].phy_freq/10)*10);
/* Match strict frequency */
if (phy_freq == params[i].phy_freq &&
vclk_freq == params[i].vclk_freq)
return MODE_OK;
/* Match 1000/1001 variant */
- if (phy_freq == (FREQ_1000_1001(params[i].phy_freq/1000)*1000) &&
+ if (phy_freq == (FREQ_1000_1001(params[i].phy_freq/10)*10) &&
vclk_freq == FREQ_1000_1001(params[i].vclk_freq))
return MODE_OK;
}
@@ -1070,7 +1070,7 @@ void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
for (freq = 0 ; params[freq].pixel_freq ; ++freq) {
if ((phy_freq == params[freq].phy_freq ||
- phy_freq == FREQ_1000_1001(params[freq].phy_freq/1000)*1000) &&
+ phy_freq == FREQ_1000_1001(params[freq].phy_freq/10)*10) &&
(vclk_freq == params[freq].vclk_freq ||
vclk_freq == FREQ_1000_1001(params[freq].vclk_freq))) {
if (vclk_freq != params[freq].vclk_freq)
--
2.34.1