mirror of
https://github.com/Ysurac/openmptcprouter.git
synced 2025-03-09 15:40:20 +00:00
96 lines
3.2 KiB
Diff
96 lines
3.2 KiB
Diff
From e44a4363b5e09600764cd349b25590681b21fb5e Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Fri, 25 Oct 2024 18:15:33 +0100
|
|
Subject: [PATCH 603/697] drm/vc4: Fix reading of frame count on GEN5 / Pi4
|
|
|
|
The frame count values moved within registers DISPSTAT1 and
|
|
DISPSTAT2 with GEN5, so update the accessor function to
|
|
accommodate that.
|
|
|
|
Fixes: b51cd7ad143d ("drm/vc4: hvs: Fix frame count register readout")
|
|
Reviewed-by: Maxime Ripard <mripard@kernel.org>
|
|
Link: https://patchwork.freedesktop.org/patch/msgid/20241025-drm-vc4-2712-support-v2-2-35efa83c8fc0@raspberrypi.com
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_hvs.c | 45 +++++++++++++++++++++++++---------
|
|
drivers/gpu/drm/vc4/vc4_regs.h | 6 +++++
|
|
2 files changed, 40 insertions(+), 11 deletions(-)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
|
|
@@ -272,19 +272,42 @@ u8 vc4_hvs_get_fifo_frame_count(struct v
|
|
if (!drm_dev_enter(drm, &idx))
|
|
return 0;
|
|
|
|
- switch (fifo) {
|
|
- case 0:
|
|
- field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1),
|
|
- SCALER_DISPSTAT1_FRCNT0);
|
|
+ switch (vc4->gen) {
|
|
+ case VC4_GEN_5:
|
|
+ switch (fifo) {
|
|
+ case 0:
|
|
+ field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1),
|
|
+ SCALER5_DISPSTAT1_FRCNT0);
|
|
+ break;
|
|
+ case 1:
|
|
+ field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1),
|
|
+ SCALER5_DISPSTAT1_FRCNT1);
|
|
+ break;
|
|
+ case 2:
|
|
+ field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT2),
|
|
+ SCALER5_DISPSTAT2_FRCNT2);
|
|
+ break;
|
|
+ }
|
|
break;
|
|
- case 1:
|
|
- field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1),
|
|
- SCALER_DISPSTAT1_FRCNT1);
|
|
- break;
|
|
- case 2:
|
|
- field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT2),
|
|
- SCALER_DISPSTAT2_FRCNT2);
|
|
+ case VC4_GEN_4:
|
|
+ switch (fifo) {
|
|
+ case 0:
|
|
+ field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1),
|
|
+ SCALER_DISPSTAT1_FRCNT0);
|
|
+ break;
|
|
+ case 1:
|
|
+ field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT1),
|
|
+ SCALER_DISPSTAT1_FRCNT1);
|
|
+ break;
|
|
+ case 2:
|
|
+ field = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTAT2),
|
|
+ SCALER_DISPSTAT2_FRCNT2);
|
|
+ break;
|
|
+ }
|
|
break;
|
|
+ default:
|
|
+ drm_err(drm, "Unknown VC4 generation: %d", vc4->gen);
|
|
+ return 0;
|
|
}
|
|
|
|
drm_dev_exit(idx);
|
|
--- a/drivers/gpu/drm/vc4/vc4_regs.h
|
|
+++ b/drivers/gpu/drm/vc4/vc4_regs.h
|
|
@@ -418,6 +418,10 @@
|
|
# define SCALER_DISPSTAT1_FRCNT0_SHIFT 18
|
|
# define SCALER_DISPSTAT1_FRCNT1_MASK VC4_MASK(17, 12)
|
|
# define SCALER_DISPSTAT1_FRCNT1_SHIFT 12
|
|
+# define SCALER5_DISPSTAT1_FRCNT0_MASK VC4_MASK(25, 20)
|
|
+# define SCALER5_DISPSTAT1_FRCNT0_SHIFT 20
|
|
+# define SCALER5_DISPSTAT1_FRCNT1_MASK VC4_MASK(19, 14)
|
|
+# define SCALER5_DISPSTAT1_FRCNT1_SHIFT 14
|
|
|
|
#define SCALER_DISPSTATX(x) (SCALER_DISPSTAT0 + \
|
|
(x) * (SCALER_DISPSTAT1 - \
|
|
@@ -436,6 +440,8 @@
|
|
#define SCALER_DISPSTAT2 0x00000068
|
|
# define SCALER_DISPSTAT2_FRCNT2_MASK VC4_MASK(17, 12)
|
|
# define SCALER_DISPSTAT2_FRCNT2_SHIFT 12
|
|
+# define SCALER5_DISPSTAT2_FRCNT2_MASK VC4_MASK(19, 14)
|
|
+# define SCALER5_DISPSTAT2_FRCNT2_SHIFT 14
|
|
|
|
#define SCALER_DISPBASE2 0x0000006c
|
|
#define SCALER_DISPALPHA2 0x00000070
|