https://bugs.freedesktop.org/show_bug.cgi?id=41838
--- Comment #30 from Peter Weber <[email protected]> 2011-11-07 11:10:52 PST --- (In reply to comment #29) > Host Data Path. It's the interface for accessing vram via the CPU. E.g., > when > you access a buffer in vram via the PCI FB BAR, it goes through the HDP on the > GPU. Unfortunately, bugzilla.kernel.org is down so I don't remember exactly > what bug the r600_ioctl_wait_idle patch fixed. It's possible you just aren't > hitting the case in your particular desktop scenario, but that removing it > would regress other cases. I'm leery of applying it until I have some > confirmation that someone else is hitting this bug or that it doesn't regress > any other cases. Thanks for your description. I'm understand that you are careful. > What sort of problems are you seeing? The compiler complaint about something in "r300..." buth honestly I don't remember it really. > That's the nature of complex 3D engines. I understand! But we are lucky to have you and your co-workers at AMD :-) Okay. I tried to apply the patch, but I doesn't work. [peter@cupcake linux-3.1]$ patch -p1 --dry-run < ~/flush_hdp_via_the_ring.patch patching file drivers/gpu/drm/radeon/evergreen_blit_kms.c Hunk #1 FAILED at 625. 1 out of 1 hunk FAILED -- saving rejects to file drivers/gpu/drm/radeon/evergreen_blit_kms.c.rej patching file drivers/gpu/drm/radeon/r600.c Hunk #1 FAILED at 2331. Hunk #2 succeeded at 2342 (offset -11 lines). 1 out of 2 hunks FAILED -- saving rejects to file drivers/gpu/drm/radeon/r600.c.rej patching file drivers/gpu/drm/radeon/r600_blit_kms.c Hunk #1 FAILED at 503. 1 out of 1 hunk FAILED -- saving rejects to file drivers/gpu/drm/radeon/r600_blit_kms.c.rej patching file drivers/gpu/drm/radeon/radeon_asic.c I'm afraid you created the patch against a different kernel? Is it current git? -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
