diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0347-drm-vc4-Add-debugfs-node-that-dumps-the-current-disp.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0347-drm-vc4-Add-debugfs-node-that-dumps-the-current-disp.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0347-drm-vc4-Add-debugfs-node-that-dumps-the-current-disp.patch b/target/linux/bcm27xx/patches-5.10/950-0347-drm-vc4-Add-debugfs-node-that-dumps-the-current-disp.patch deleted file mode 100644 index 1e38c54492..0000000000 --- a/target/linux/bcm27xx/patches-5.10/950-0347-drm-vc4-Add-debugfs-node-that-dumps-the-current-disp.patch +++ /dev/null @@ -1,70 +0,0 @@ -From 09157702811f9e2144a769aef1f2269306fe86bb Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.com> -Date: Tue, 6 Oct 2020 18:44:42 +0100 -Subject: [PATCH] drm/vc4: Add debugfs node that dumps the current - display lists - -This allows easy analysis of display lists when debugging. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> ---- - drivers/gpu/drm/vc4/vc4_hvs.c | 41 +++++++++++++++++++++++++++++++++++ - 1 file changed, 41 insertions(+) - ---- a/drivers/gpu/drm/vc4/vc4_hvs.c -+++ b/drivers/gpu/drm/vc4/vc4_hvs.c -@@ -95,6 +95,45 @@ static int vc4_hvs_debugfs_underrun(stru - return 0; - } - -+static int vc4_hvs_debugfs_dlist(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 drm_printer p = drm_seq_file_printer(m); -+ unsigned int next_entry_start = 0; -+ unsigned int i, j; -+ u32 dlist_word, dispstat; -+ -+ for (i = 0; i < SCALER_CHANNELS_COUNT; i++) { -+ dispstat = VC4_GET_FIELD(HVS_READ(SCALER_DISPSTATX(i)), -+ SCALER_DISPSTATX_MODE); -+ if (dispstat == SCALER_DISPSTATX_MODE_DISABLED || -+ dispstat == SCALER_DISPSTATX_MODE_EOF) { -+ drm_printf(&p, "HVS chan %u disabled\n", i); -+ continue; -+ } -+ -+ drm_printf(&p, "HVS chan %u:\n", i); -+ -+ for (j = HVS_READ(SCALER_DISPLISTX(i)); j < 256; j++) { -+ dlist_word = readl((u32 __iomem *)vc4->hvs->dlist + j); -+ drm_printf(&p, "dlist: %02d: 0x%08x\n", j, -+ dlist_word); -+ if (!next_entry_start || -+ next_entry_start == j) { -+ if (dlist_word & SCALER_CTL0_END) -+ break; -+ next_entry_start = j + -+ VC4_GET_FIELD(dlist_word, -+ SCALER_CTL0_SIZE); -+ } -+ } -+ } -+ -+ return 0; -+} -+ - /* The filter kernel is composed of dwords each containing 3 9-bit - * signed integers packed next to each other. - */ -@@ -671,6 +710,8 @@ static int vc4_hvs_bind(struct device *d - vc4_debugfs_add_regset32(drm, "hvs_regs", &hvs->regset); - vc4_debugfs_add_file(drm, "hvs_underrun", vc4_hvs_debugfs_underrun, - NULL); -+ vc4_debugfs_add_file(drm, "hvs_dlists", vc4_hvs_debugfs_dlist, -+ NULL); - - return 0; - } |