Attachment 75313 Details for Bug 59982 – Fixes on the Workaround

[patch] Fixes on the Workaround

read-and-zero-surface-addresses.patch (text/plain), 1.74 KB, created by Lucas Kannebley Tavares on 2013-02-22 12:52:32 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Lucas Kannebley Tavares

Created: 2013-02-22 12:52:32 UTC

Size: 1.74 KB

patch

obsolete

>commit 49cbd59d64f21dad969b409c9309fa49328a630b
>Author: Lucas Kannebley Tavares <lucaskt@linux.vnet.ibm.com>
>Date:   Thu Feb 21 10:16:34 2013 -0300
>
>    Hack for getting addresses
>
>diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
>index a2d478e..967e0d3 100644
>--- a/drivers/gpu/drm/radeon/evergreen.c
>+++ b/drivers/gpu/drm/radeon/evergreen.c
>@@ -3514,6 +3514,25 @@ static int evergreen_startup(struct radeon_device *rdev)
>                return r;
>        }
> 
>+       /* HACK DUMP VARIOUS CRTC REGISTER BASE ADDRESS VALUE */
>+       {
>+               unsigned i;
>+               for (i = 0; i < rdev->num_crtc; i++) {
>+                       uint64_t addr;
>+
>+                       addr = ((uint64_t) RREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i])) << 32ULL;
>+                       addr |= ((uint64_t) RREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i]));
>+                       DRM_INFO("GRPH_PRIMARY_SURFACE[%2d]   0x%016llx\n", i, addr);
>+                       addr = ((uint64_t) RREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i])) << 32ULL;
>+                       addr |= ((uint64_t) RREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i]));
>+                       DRM_INFO("GRPH_SECONDARY_SURFACE[%2d] 0x%016llx\n", i, addr);
>+                       WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], 0);
>+                       WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i], 0);
>+                       WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], 0);
>+                       WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i], 0);
>+               }
>+       }
>+
>        return 0;
> }
> 
>

Actions: View | Splinter Review

Attachments on bug 59982: 73788 | 73987 | 73997 | 75176 | 75183 | 75196 | 75313 | 75640

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.