linux/drivers/gpu
Mario Kleiner ae45bbc2ba drm/radeon: Avoid overflows/divide-by-zero in latency_watermark calculations.
At dot clocks > approx. 250 Mhz, some of these calcs will overflow and
cause miscalculation of latency watermarks, and for some overflows also
divide-by-zero driver crash. Make calcs more overflow resistant.

This is a direct port of the corresponding patch from amdgpu-kms,
copy-paste for cik from dce-8 and si from dce-6, with a slightly
simpler variant for evergreen dce-4/5.

Only tested on DCE-4 evergreen with a Radeon HD-5770.

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-04-28 17:33:03 -04:00
..
drm drm/radeon: Avoid overflows/divide-by-zero in latency_watermark calculations. 2017-04-28 17:33:03 -04:00
host1x gpu: host1x: Set OF node for new host1x devices 2017-01-30 11:47:44 +01:00
ipu-v3 gpu: ipu-v3: don't depend on DRM being enabled 2017-04-04 10:58:56 +02:00
vga Pointer for Markus's image conversion work. 2017-03-14 15:07:33 +01:00
Makefile