diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c index 393858ef8a83..b6b3bbab0333 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c @@ -22,6 +22,7 @@ * @DPU_PERF_MODE_NORMAL: performance controlled by user mode client * @DPU_PERF_MODE_MINIMUM: performance bounded by minimum setting * @DPU_PERF_MODE_FIXED: performance bounded by fixed setting + * @DPU_PERF_MODE_MAX: maximum value, used for error checking */ enum dpu_perf_mode { DPU_PERF_MODE_NORMAL, @@ -31,9 +32,9 @@ enum dpu_perf_mode { }; /** - * @_dpu_core_perf_calc_bw() - to calculate BW per crtc - * @kms - pointer to the dpu_kms - * @crtc - pointer to a crtc + * _dpu_core_perf_calc_bw() - to calculate BW per crtc + * @kms: pointer to the dpu_kms + * @crtc: pointer to a crtc * Return: returns aggregated BW for all planes in crtc. */ static u64 _dpu_core_perf_calc_bw(struct dpu_kms *kms, @@ -63,9 +64,9 @@ static u64 _dpu_core_perf_calc_bw(struct dpu_kms *kms, /** * _dpu_core_perf_calc_clk() - to calculate clock per crtc - * @kms - pointer to the dpu_kms - * @crtc - pointer to a crtc - * @state - pointer to a crtc state + * @kms: pointer to the dpu_kms + * @crtc: pointer to a crtc + * @state: pointer to a crtc state * Return: returns max clk for all planes in crtc. */ static u64 _dpu_core_perf_calc_clk(struct dpu_kms *kms, @@ -110,14 +111,11 @@ static void _dpu_core_perf_calc_crtc(struct dpu_kms *kms, struct drm_crtc_state *state, struct dpu_core_perf_params *perf) { - struct dpu_crtc_state *dpu_cstate; - if (!kms || !kms->catalog || !crtc || !state || !perf) { DPU_ERROR("invalid parameters\n"); return; } - dpu_cstate = to_dpu_crtc_state(state); memset(perf, 0, sizeof(struct dpu_core_perf_params)); if (kms->perf.perf_tune.mode == DPU_PERF_MODE_MINIMUM) { @@ -219,9 +217,6 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms, int i, ret = 0; u64 avg_bw; - if (!kms->num_paths) - return -EINVAL; - drm_for_each_crtc(tmp_crtc, crtc->dev) { if (tmp_crtc->enabled && curr_client_type == @@ -239,6 +234,9 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms, } } + if (!kms->num_paths) + return 0; + avg_bw = perf.bw_ctl; do_div(avg_bw, (kms->num_paths * 1000)); /*Bps_to_icc*/ @@ -249,8 +247,8 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms, } /** - * @dpu_core_perf_crtc_release_bw() - request zero bandwidth - * @crtc - pointer to a crtc + * dpu_core_perf_crtc_release_bw() - request zero bandwidth + * @crtc: pointer to a crtc * * Function checks a state variable for the crtc, if all pending commit * requests are done, meaning no more bandwidth is needed, release |