diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2018-11-02 09:25:24 -0600 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2018-12-11 13:05:29 -0500 |
| commit | b9fc230252e7d0cbf109292bead71e50476f14c9 (patch) | |
| tree | 7efeacb66dbe0dac306e52fd837cf1bd84d1702f /drivers/gpu/drm | |
| parent | 983674e24b4684045340b33dda1ecb81125d4cad (diff) | |
drm/msm/adreno: Don't capture register values if target doesn't define them
If the GPU target doesn't define a list of registers then gracefully skip
capturing and/or printing them. This is used by more complex targets like
6xx that have other means of capturing register values.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index cada3e634f92..789f7afe1851 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -414,6 +414,10 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state) } } + /* Some targets prefer to collect their own registers */ + if (!adreno_gpu->registers) + return 0; + /* Count the number of registers */ for (i = 0; adreno_gpu->registers[i] != ~0; i += 2) count += adreno_gpu->registers[i + 1] - @@ -551,12 +555,14 @@ void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state, } } - drm_puts(p, "registers:\n"); + if (state->nr_registers) { + drm_puts(p, "registers:\n"); - for (i = 0; i < state->nr_registers; i++) { - drm_printf(p, " - { offset: 0x%04x, value: 0x%08x }\n", - state->registers[i * 2] << 2, - state->registers[(i * 2) + 1]); + for (i = 0; i < state->nr_registers; i++) { + drm_printf(p, " - { offset: 0x%04x, value: 0x%08x }\n", + state->registers[i * 2] << 2, + state->registers[(i * 2) + 1]); + } } } #endif @@ -595,6 +601,9 @@ void adreno_dump(struct msm_gpu *gpu) struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); int i; + if (!adreno_gpu->registers) + return; + /* dump these out in a form that can be parsed by demsm: */ printk("IO:region %s 00000000 00020000\n", gpu->name); for (i = 0; adreno_gpu->registers[i] != ~0; i += 2) { |