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drm/sysfb: ofdrm: Fix is_avivo() constant comparison bug

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The is_avivo() function has a logic error where it compares a constant
to another constant instead of checking the device parameter:

  (PCI_VENDOR_ID_ATI_R600 >= 0x9400)

Signed-off-by: Shixiong Ou <oushixiong@kylinos.cn>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: f496834e16 ("drm/ofdrm: Add per-model device function")
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: <stable@vger.kernel.org> # v6.2+
Link: https://patch.msgid.link/20260731111729.703116-1-oushixiong1025@163.com
This commit is contained in:
Shixiong Ou
2026-07-31 19:17:29 +08:00
committed by Thomas Zimmermann
parent c6f48e59ec
commit 958f35cbb8
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/sysfb/ofdrm.c
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@@ -239,7 +239,7 @@ static bool is_avivo(u32 vendor, u32 device)
/* This will match most R5xx */
return (vendor == PCI_VENDOR_ID_ATI) &&
((device >= PCI_VENDOR_ID_ATI_R520 && device < 0x7800) ||
(PCI_VENDOR_ID_ATI_R600 >= 0x9400));
(device >= PCI_VENDOR_ID_ATI_R600));
}
static enum ofdrm_model display_get_model_of(struct drm_device *dev, struct device_node *of_node)