FAILED: patch "[PATCH] drm/ast: Initialize DRAM type before posting GPU" failed to apply to 5.8-stable tree
[email protected]
maintainerThe patch below does not apply to the 5.8-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 244d012801dae30c91983b360457c78d481584b0 Mon Sep 17 00:00:00 2001
From: Thomas Zimmermann <[email protected]>
Date: Thu, 16 Jul 2020 14:53:52 +0200
Subject: [PATCH] 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 <[email protected]>
Reviewed-by Sam Ravnborg <[email protected]>
Fixes bad09da6deab ("drm/ast: Fixed vram size incorrect issue on POWER")
Cc Joel Stanley <[email protected]>
Cc Y.C. Chen <[email protected]>
Cc Benjamin Herrenschmidt <[email protected]>
Cc Dave Airlie <[email protected]>
Cc Thomas Zimmermann <[email protected]>
Cc Gerd Hoffmann <[email protected]>
Cc Daniel Vetter <[email protected]>
Cc Sam Ravnborg <[email protected]>
Cc Emil Velikov <[email protected]>
Cc "Y.C. Chen" <[email protected]>
Cc <[email protected]> # v4.11+
drivers/gpu/drm/ast/ast_main.c +3 -3
@@ -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;