diff options
| author |   Mark Brown <broonie@kernel.org> | 2016-05-03 15:09:56 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-05-03 15:09:56 +0100 |
| commit | bc0868c62bb13834b20a864f684cced1f84a2412 (patch) | |
| tree | 2c382dcd24ac95f4dbf53d238d3161d6171d8a4b /drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | |
| parent | regulator: pwm: Try to avoid voltage error in duty cycle calculation (diff) | |
| parent | regulator: pwm: Use pwm_get_args() where appropriate (diff) | |
| download | linux-dev-bc0868c62bb13834b20a864f684cced1f84a2412.tar.xz linux-dev-bc0868c62bb13834b20a864f684cced1f84a2412.zip | |
Merge branch 'for-4.7/pwm-regulator' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm into regulator-pwm
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index e23843f4d877..7805a8706af7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -447,8 +447,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file dev_info.max_memory_clock = adev->pm.default_mclk * 10; } dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask; - dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se * - adev->gfx.config.max_shader_engines; + dev_info.num_rb_pipes = adev->gfx.config.num_rbs; dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts; dev_info._pad = 0; dev_info.ids_flags = 0; @@ -727,6 +726,12 @@ int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe, /* Get associated drm_crtc: */ crtc = &adev->mode_info.crtcs[pipe]->base; + if (!crtc) { + /* This can occur on driver load if some component fails to + * initialize completely and driver is unloaded */ + DRM_ERROR("Uninitialized crtc %d\n", pipe); + return -EINVAL; + } /* Helper routine in DRM core does all the work: */ return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error, |