difos/target/linux/brcm2708/patches-4.19/950-0664-drm-vc4-In-FKMS-look-at-the-modifiers-correctly-for-.patch
Álvaro Fernández Rojas 4295485719 brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2019-07-14 12:44:14 +02:00

36 lines
1.2 KiB
Diff

From da7972664ce5c26a876d092d8161901985f9fa8f Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Wed, 12 Jun 2019 17:13:21 +0100
Subject: [PATCH 664/703] drm/vc4: In FKMS look at the modifiers correctly for
SAND
Incorrect masking was used in the switch for the modifier,
therefore for SAND (which puts the column pitch in the
modifier) it didn't match.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/gpu/drm/vc4/vc4_firmware_kms.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -460,7 +460,7 @@ static void vc4_plane_atomic_update(stru
}
mb->plane.planes[3] = 0;
- switch (fb->modifier) {
+ switch (fourcc_mod_broadcom_mod(fb->modifier)) {
case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED:
switch (mb->plane.vc_image_type) {
case VC_IMAGE_XRGB8888:
@@ -476,6 +476,9 @@ static void vc4_plane_atomic_update(stru
break;
case DRM_FORMAT_MOD_BROADCOM_SAND128:
mb->plane.vc_image_type = VC_IMAGE_YUV_UV;
+ /* Note that the column pitch is passed across in lines, not
+ * bytes.
+ */
mb->plane.pitch = fourcc_mod_broadcom_param(fb->modifier);
break;
}