diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0128-panel-raspberrypi-touchscreen-Round-up-clk-rate-to-f.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0128-panel-raspberrypi-touchscreen-Round-up-clk-rate-to-f.patch | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0128-panel-raspberrypi-touchscreen-Round-up-clk-rate-to-f.patch b/target/linux/brcm2708/patches-4.14/950-0128-panel-raspberrypi-touchscreen-Round-up-clk-rate-to-f.patch deleted file mode 100644 index a61dc66bf6..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0128-panel-raspberrypi-touchscreen-Round-up-clk-rate-to-f.patch +++ /dev/null @@ -1,35 +0,0 @@ -From 7f98947db09ad419ca73082230ade1f29f18bd82 Mon Sep 17 00:00:00 2001 -From: Eric Anholt <eric@anholt.net> -Date: Mon, 6 Mar 2017 12:17:16 -0800 -Subject: [PATCH 128/454] panel-raspberrypi-touchscreen: Round up clk rate to - fix DSI panel. - -Commit 488f9bc8e3def93e0baef53cee2026c2cb0d8956 slightly increased the -reported rate of PLLD, so the clk driver decided that PLLD/3/8 was now -higher than our requested pixel clock rate and rejected it in favor of -PLLD/4/8, which then ran the pixel clock way out of spec. - -By bumping the requested clock rate just slightly, we get back to -PLLD/3/8 like we wanted and the panel displays content again. - -Signed-off-by: Eric Anholt <eric@anholt.net> ---- - drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c | 7 ++++++- - 1 file changed, 6 insertions(+), 1 deletion(-) - ---- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c -+++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c -@@ -220,7 +220,12 @@ static const struct drm_display_mode rpi - #define HBP 46 - #define HFP ((PIXEL_CLOCK / (VTOTAL * VREFRESH)) - (HACT + HSW + HBP)) - -- .clock = PIXEL_CLOCK / 1000, -+ /* Round up the pixel clock a bit (10khz), so that the -+ * "don't run things faster than the requested clock -+ * rate" rule of the clk driver doesn't reject the -+ * divide-by-3 mode due to rounding error. -+ */ -+ .clock = PIXEL_CLOCK / 1000 + 10, - .hdisplay = HACT, - .hsync_start = HACT + HFP, - .hsync_end = HACT + HFP + HSW, |