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authorThomas Zimmermann <tzimmermann@suse.de>2020-07-16 14:53:52 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2020-07-20 09:16:15 +0200
commit244d012801dae30c91983b360457c78d481584b0 (patch)
treeb59ccac44e65eaa20eaacff92afd2ff52cd67dfb /drivers/gpu/drm/ast/ast_main.c
parentdrm/ast: Move VRAM size detection to ast_mm.c (diff)
downloadlinux-244d012801dae30c91983b360457c78d481584b0.tar.xz
linux-244d012801dae30c91983b360457c78d481584b0.zip
drm/ast: Initialize DRAM type before posting GPU
Posting the GPU requires the correct DRAM type to be stored in struct ast_private. Therefore first initialize the DRAM info and then post the GPU. This restores the original order of instructions in this function. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Fixes: bad09da6deab ("drm/ast: Fixed vram size incorrect issue on POWER") Cc: Joel Stanley <joel@jms.id.au> Cc: Y.C. Chen <yc_chen@aspeedtech.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dave Airlie <airlied@redhat.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Emil Velikov <emil.l.velikov@gmail.com> Cc: "Y.C. Chen" <yc_chen@aspeedtech.com> Cc: <stable@vger.kernel.org> # v4.11+ Link: https://patchwork.freedesktop.org/patch/msgid/20200716125353.31512-6-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/ast/ast_main.c')
-rw-r--r--drivers/gpu/drm/ast/ast_main.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index b162cc82204d..87e5baded2a7 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -418,15 +418,15 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
ast_detect_chip(dev, &need_post);
- if (need_post)
- ast_post_gpu(dev);
-
ret = ast_get_dram_info(dev);
if (ret)
goto out_free;
drm_info(dev, "dram MCLK=%u Mhz type=%d bus_width=%d\n",
ast->mclk, ast->dram_type, ast->dram_bus_width);
+ if (need_post)
+ ast_post_gpu(dev);
+
ret = ast_mm_init(ast);
if (ret)
goto out_free;