This is a note to let you know that I've just added the patch titled
drm/radeon: set correct pipe config for Hawaii in DCE
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-set-correct-pipe-config-for-hawaii-in-dce.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 35a905282b20e556cd09f348f9c2bc8a22ea26d5 Mon Sep 17 00:00:00 2001
From: Marek Olšák <[email protected]>
Date: Mon, 23 Dec 2013 17:11:35 +0100
Subject: drm/radeon: set correct pipe config for Hawaii in DCE
From: Marek Olšák <[email protected]>
commit 35a905282b20e556cd09f348f9c2bc8a22ea26d5 upstream.
Signed-off-by: Marek Olšák <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 19 ++++++-------------
1 file changed, 6 insertions(+), 13 deletions(-)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1180,19 +1180,12 @@ static int dce4_crtc_do_set_base(struct
fb_format |=
EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
if (rdev->family >= CHIP_BONAIRE) {
- u32 num_pipe_configs = rdev->config.cik.max_tile_pipes;
- u32 num_rb = rdev->config.cik.max_backends_per_se;
- if (num_pipe_configs > 8)
- num_pipe_configs = 8;
- if (num_pipe_configs == 8)
- fb_format |=
CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P8_32x32_16x16);
- else if (num_pipe_configs == 4) {
- if (num_rb == 4)
- fb_format |=
CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_16x16);
- else if (num_rb < 4)
- fb_format |=
CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_8x16);
- } else if (num_pipe_configs == 2)
- fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P2);
+ /* Read the pipe config from the 2D TILED SCANOUT mode.
+ * It should be the same for the other modes too, but not all
+ * modes set the pipe config field. */
+ u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) &
0x1f;
+
+ fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config);
} else if ((rdev->family == CHIP_TAHITI) ||
(rdev->family == CHIP_PITCAIRN))
fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16);
Patches currently in stable-queue which might be from [email protected] are
queue-3.12/drm-radeon-expose-render-backend-mask-to-the-userspace.patch
queue-3.12/drm-radeon-set-correct-pipe-config-for-hawaii-in-dce.patch
queue-3.12/drm-radeon-fix-render-backend-setup-for-si-and-cik.patch
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