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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 18:04:33 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-19 07:17:21 +0100
commit62b7f5931c54e96fca56dd8761b0e466d355c881 (patch)
tree1258b392752379833a075df006c2f6d7ac4be51d /target/linux/bcm27xx/patches-5.4/950-0550-drm-vc4-crtc-Turn-static-const-variable-into-a-defin.patch
parent76d1168d0d4b9d76e2ad78c0fc6b255561deb284 (diff)
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bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> (cherry-picked from commit f07e572f64)
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0550-drm-vc4-crtc-Turn-static-const-variable-into-a-defin.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0550-drm-vc4-crtc-Turn-static-const-variable-into-a-defin.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0550-drm-vc4-crtc-Turn-static-const-variable-into-a-defin.patch b/target/linux/bcm27xx/patches-5.4/950-0550-drm-vc4-crtc-Turn-static-const-variable-into-a-defin.patch
new file mode 100644
index 0000000000..3deefc361f
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0550-drm-vc4-crtc-Turn-static-const-variable-into-a-defin.patch
@@ -0,0 +1,50 @@
+From c017882242d671cf81256301a3e9a6fc9eefdc13 Mon Sep 17 00:00:00 2001
+From: Maxime Ripard <maxime@cerno.tech>
+Date: Mon, 13 Jan 2020 13:39:32 +0100
+Subject: [PATCH] drm/vc4: crtc: Turn static const variable into a
+ define
+
+The hvs_latency_pix variable doesn't need to be a variable and can just be
+defined.
+
+Signed-off-by: Maxime Ripard <maxime@cerno.tech>
+---
+ drivers/gpu/drm/vc4/vc4_crtc.c | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_crtc.c
++++ b/drivers/gpu/drm/vc4/vc4_crtc.c
+@@ -44,6 +44,8 @@
+ #include "vc4_drv.h"
+ #include "vc4_regs.h"
+
++#define HVS_FIFO_LATENCY_PIX 6
++
+ #define CRTC_WRITE(offset, val) writel(val, vc4_crtc->regs + (offset))
+ #define CRTC_READ(offset) readl(vc4_crtc->regs + (offset))
+
+@@ -227,21 +229,21 @@ vc4_crtc_update_gamma_lut(struct drm_crt
+ vc4_crtc_lut_load(crtc);
+ }
+
++
+ static u32 vc4_get_fifo_full_level(u32 format)
+ {
+ static const u32 fifo_len_bytes = 64;
+- static const u32 hvs_latency_pix = 6;
+
+ switch (format) {
+ case PV_CONTROL_FORMAT_DSIV_16:
+ case PV_CONTROL_FORMAT_DSIC_16:
+- return fifo_len_bytes - 2 * hvs_latency_pix;
++ return fifo_len_bytes - 2 * HVS_FIFO_LATENCY_PIX;
+ case PV_CONTROL_FORMAT_DSIV_18:
+ return fifo_len_bytes - 14;
+ case PV_CONTROL_FORMAT_24:
+ case PV_CONTROL_FORMAT_DSIV_24:
+ default:
+- return fifo_len_bytes - 3 * hvs_latency_pix;
++ return fifo_len_bytes - 3 * HVS_FIFO_LATENCY_PIX;
+ }
+ }
+