diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/0178-drm-vc4-Add-DRM_DEBUG_ATOMIC-for-the-insides-of-fkms.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.9/0178-drm-vc4-Add-DRM_DEBUG_ATOMIC-for-the-insides-of-fkms.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.9/0178-drm-vc4-Add-DRM_DEBUG_ATOMIC-for-the-insides-of-fkms.patch b/target/linux/brcm2708/patches-4.9/0178-drm-vc4-Add-DRM_DEBUG_ATOMIC-for-the-insides-of-fkms.patch new file mode 100644 index 0000000000..f3f141097b --- /dev/null +++ b/target/linux/brcm2708/patches-4.9/0178-drm-vc4-Add-DRM_DEBUG_ATOMIC-for-the-insides-of-fkms.patch @@ -0,0 +1,69 @@ +From ac45ecdcbc38c6ec6b477980d0cd0760267f6057 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Wed, 1 Feb 2017 17:10:09 -0800 +Subject: [PATCH] drm/vc4: Add DRM_DEBUG_ATOMIC for the insides of fkms. + +Trying to debug weston on fkms involved figuring out what calls I was +making to the firmware. + +Signed-off-by: Eric Anholt <eric@anholt.net> +--- + drivers/gpu/drm/vc4/vc4_firmware_kms.c | 26 ++++++++++++++++++++++++++ + 1 file changed, 26 insertions(+) + +--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c ++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c +@@ -102,6 +102,11 @@ static int vc4_plane_set_primary_blank(s + struct vc4_dev *vc4 = to_vc4_dev(plane->dev); + + u32 packet = blank; ++ ++ DRM_DEBUG_ATOMIC("[PLANE:%d:%s] primary plane %s", ++ plane->base.id, plane->name, ++ blank ? "blank" : "unblank"); ++ + return rpi_firmware_property(vc4->firmware, + RPI_FIRMWARE_FRAMEBUFFER_BLANK, + &packet, sizeof(packet)); +@@ -149,6 +154,16 @@ static void vc4_primary_plane_atomic_upd + WARN_ON_ONCE(vc4_plane->pitch != fb->pitches[0]); + } + ++ DRM_DEBUG_ATOMIC("[PLANE:%d:%s] primary update %dx%d@%d +%d,%d 0x%08x/%d\n", ++ plane->base.id, plane->name, ++ state->crtc_w, ++ state->crtc_h, ++ bpp, ++ state->crtc_x, ++ state->crtc_y, ++ bo->paddr + fb->offsets[0], ++ fb->pitches[0]); ++ + ret = rpi_firmware_transaction(vc4->firmware, + RPI_FIRMWARE_CHAN_FB, + vc4_plane->fbinfo_bus_addr); +@@ -178,6 +193,15 @@ static void vc4_cursor_plane_atomic_upda + WARN_ON_ONCE(fb->pitches[0] != state->crtc_w * 4); + WARN_ON_ONCE(fb->bits_per_pixel != 32); + ++ DRM_DEBUG_ATOMIC("[PLANE:%d:%s] update %dx%d cursor at %d,%d (0x%08x/%d)", ++ plane->base.id, plane->name, ++ state->crtc_w, ++ state->crtc_h, ++ state->crtc_x, ++ state->crtc_y, ++ bo->paddr + fb->offsets[0], ++ fb->pitches[0]); ++ + ret = rpi_firmware_property(vc4->firmware, + RPI_FIRMWARE_SET_CURSOR_STATE, + &packet_state, +@@ -200,6 +224,8 @@ static void vc4_cursor_plane_atomic_disa + u32 packet_state[] = { false, 0, 0, 0 }; + int ret; + ++ DRM_DEBUG_ATOMIC("[PLANE:%d:%s] disabling cursor", plane->base.id, plane->name); ++ + ret = rpi_firmware_property(vc4->firmware, + RPI_FIRMWARE_SET_CURSOR_STATE, + &packet_state, |