mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
123 lines
3.9 KiB
Diff
123 lines
3.9 KiB
Diff
From 3905be68859b15731ec41b3d22cd1a9069375f7f Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Wed, 28 Apr 2021 12:32:10 +0200
|
|
Subject: [PATCH] drm/vc4: Add debugfs node that dumps the vc5 gamma
|
|
PWL entries
|
|
|
|
This helps with debugging the conversion from a 256 point gamma LUT to
|
|
16 point PWL entries as used by the BCM2711.
|
|
|
|
Co-developed-by: Juerg Haefliger <juergh@canonical.com>
|
|
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_hvs.c | 85 ++++++++++++++++++++++++++++++++++-
|
|
1 file changed, 84 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
|
|
@@ -141,6 +141,85 @@ static int vc4_hvs_debugfs_dlist(struct
|
|
return 0;
|
|
}
|
|
|
|
+static int vc5_hvs_debugfs_gamma(struct seq_file *m, void *data)
|
|
+{
|
|
+ struct drm_info_node *node = m->private;
|
|
+ struct drm_device *dev = node->minor->dev;
|
|
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
|
|
+ struct vc4_hvs *hvs = vc4->hvs;
|
|
+ struct drm_printer p = drm_seq_file_printer(m);
|
|
+ unsigned int i, chan;
|
|
+ u32 dispstat, dispbkgndx;
|
|
+
|
|
+ for (chan = 0; chan < SCALER_CHANNELS_COUNT; chan++) {
|
|
+ u32 x_c, grad;
|
|
+ u32 offset = SCALER5_DSPGAMMA_START +
|
|
+ chan * SCALER5_DSPGAMMA_CHAN_OFFSET;
|
|
+
|
|
+ dispstat = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTATX(chan)),
|
|
+ SCALER_DISPSTATX_MODE);
|
|
+ if (dispstat == SCALER_DISPSTATX_MODE_DISABLED ||
|
|
+ dispstat == SCALER_DISPSTATX_MODE_EOF) {
|
|
+ drm_printf(&p, "HVS channel %u: Channel disabled\n", chan);
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ dispbkgndx = HVS_READ(SCALER_DISPBKGNDX(chan));
|
|
+ if (!(dispbkgndx & SCALER_DISPBKGND_GAMMA)) {
|
|
+ drm_printf(&p, "HVS channel %u: Gamma disabled\n", chan);
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ drm_printf(&p, "HVS channel %u:\n", chan);
|
|
+ drm_printf(&p, " red:\n");
|
|
+ for (i = 0; i < SCALER5_DSPGAMMA_NUM_POINTS; i++, offset += 8) {
|
|
+ x_c = HVS_READ(offset);
|
|
+ grad = HVS_READ(offset + 4);
|
|
+ drm_printf(&p, " %08x %08x - x %u, c %u, grad %u\n",
|
|
+ x_c, grad,
|
|
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_X),
|
|
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_C),
|
|
+ grad);
|
|
+ }
|
|
+ drm_printf(&p, " green:\n");
|
|
+ for (i = 0; i < SCALER5_DSPGAMMA_NUM_POINTS; i++, offset += 8) {
|
|
+ x_c = HVS_READ(offset);
|
|
+ grad = HVS_READ(offset + 4);
|
|
+ drm_printf(&p, " %08x %08x - x %u, c %u, grad %u\n",
|
|
+ x_c, grad,
|
|
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_X),
|
|
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_C),
|
|
+ grad);
|
|
+ }
|
|
+ drm_printf(&p, " blue:\n");
|
|
+ for (i = 0; i < SCALER5_DSPGAMMA_NUM_POINTS; i++, offset += 8) {
|
|
+ x_c = HVS_READ(offset);
|
|
+ grad = HVS_READ(offset + 4);
|
|
+ drm_printf(&p, " %08x %08x - x %u, c %u, grad %u\n",
|
|
+ x_c, grad,
|
|
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_X),
|
|
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_C),
|
|
+ grad);
|
|
+ }
|
|
+
|
|
+ /* Alpha only valid on channel 2 */
|
|
+ if (chan != 2)
|
|
+ continue;
|
|
+
|
|
+ drm_printf(&p, " alpha:\n");
|
|
+ for (i = 0; i < SCALER5_DSPGAMMA_NUM_POINTS; i++, offset += 8) {
|
|
+ x_c = HVS_READ(offset);
|
|
+ grad = HVS_READ(offset + 4);
|
|
+ drm_printf(&p, " %08x %08x - x %u, c %u, grad %u\n",
|
|
+ x_c, grad,
|
|
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_X),
|
|
+ VC4_GET_FIELD(x_c, SCALER5_DSPGAMMA_OFF_C),
|
|
+ grad);
|
|
+ }
|
|
+ }
|
|
+ return 0;
|
|
+}
|
|
+
|
|
/* The filter kernel is composed of dwords each containing 3 9-bit
|
|
* signed integers packed next to each other.
|
|
*/
|
|
@@ -833,11 +912,15 @@ int vc4_hvs_debugfs_init(struct drm_mino
|
|
if (!vc4->hvs)
|
|
return -ENODEV;
|
|
|
|
- if (!vc4->is_vc5)
|
|
+ if (!vc4->is_vc5) {
|
|
debugfs_create_bool("hvs_load_tracker", S_IRUGO | S_IWUSR,
|
|
minor->debugfs_root,
|
|
&vc4->load_tracker_enabled);
|
|
|
|
+ vc4_debugfs_add_file(minor, "hvs_gamma", vc5_hvs_debugfs_gamma,
|
|
+ NULL);
|
|
+ }
|
|
+
|
|
ret = vc4_debugfs_add_file(minor, "hvs_dlists",
|
|
vc4_hvs_debugfs_dlist, NULL);
|
|
if (ret)
|