diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 50a693fe9..04322cdd8 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -176,6 +176,17 @@ int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, OUT_PKT3(ring, CP_INTERRUPT, 1); OUT_RING(ring, 0x80000000); + /* Workaround for missing irq issue on 8x16/a306. Unsure if the + * root cause is a platform issue or some a306 quirk, but this + * keeps things humming along: + */ + if (adreno_is_a306(adreno_gpu)) { + OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1); + OUT_RING(ring, 0x00000000); + OUT_PKT3(ring, CP_INTERRUPT, 1); + OUT_RING(ring, 0x80000000); + } + #if 0 if (adreno_is_a3xx(adreno_gpu)) { /* Dummy set-constant to trigger context rollover */ @@ -249,8 +260,13 @@ void adreno_show(struct msm_gpu *gpu, struct seq_file *m) } #endif -/* would be nice to not have to duplicate the _show() stuff with printk(): */ -void adreno_dump(struct msm_gpu *gpu) +/* Dump common gpu status and scratch registers on any hang, to make + * the hangcheck logs more useful. The scratch registers seem always + * safe to read when GPU has hung (unlike some other regs, depending + * on how the GPU hung), and they are useful to match up to cmdstream + * dumps when debugging hangs: + */ +void adreno_dump_info(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); int i; @@ -266,6 +282,18 @@ void adreno_dump(struct msm_gpu *gpu) printk("wptr: %d\n", adreno_gpu->memptrs->wptr); printk("rb wptr: %d\n", get_wptr(gpu->rb)); + for (i = 0; i < 8; i++) { + printk("CP_SCRATCH_REG%d: %u\n", i, + gpu_read(gpu, REG_AXXX_CP_SCRATCH_REG0 + i)); + } +} + +/* would be nice to not have to duplicate the _show() stuff with printk(): */ +void adreno_dump(struct msm_gpu *gpu) +{ + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + int i; + /* 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) { @@ -317,7 +345,7 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, gpu->fast_rate = config->fast_rate; gpu->slow_rate = config->slow_rate; gpu->bus_freq = config->bus_freq; -#ifdef CONFIG_MSM_BUS_SCALING +#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING gpu->bus_scale_table = config->bus_scale_table; #endif |