On 12/2/2023 2:42 PM, Dmitry Baryshkov wrote:
From: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
The DPU1 driver needs to handle all MDPn<->DDR paths, as well as
CPU<->SLAVE_DISPLAY_CFG. The former ones share how their values are
calculated, but the latter one has static predefines spanning all SoCs.
In preparation for supporting the CPU<->SLAVE_DISPLAY_CFG path, rename
the path-related struct members to include "mdp_".
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Minor nits and I am fine to fix them now or later as they existed even
before this patch,
1) we can just have num_mdp_paths++ in both places instead of setting to
1 and then increment.
2) Maybe some macro like MAX_MDP_ICC_PATH instead of 2 will be better.
3) Wondering whether we even need a num_path/num_mdp_path and just use
ARRAY_SIZE for the loop and then check if (mdp_path) OR even better if
icc has some sort of bulk_set_bw with num of paths.
Nothing these down but nothing to block this patch:
Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/msm_mdss.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index 53bc496ace99..e1b208fd072e 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -40,8 +40,8 @@ struct msm_mdss {
struct irq_domain *domain;
} irq_controller;
const struct msm_mdss_data *mdss_data;
- struct icc_path *path[2];
- u32 num_paths;
+ struct icc_path *mdp_path[2];
+ u32 num_mdp_paths;
};
static int msm_mdss_parse_data_bus_icc_path(struct device *dev,
@@ -54,13 +54,13 @@ static int msm_mdss_parse_data_bus_icc_path(struct device *dev,
if (IS_ERR_OR_NULL(path0))
return PTR_ERR_OR_ZERO(path0);
- msm_mdss->path[0] = path0;
- msm_mdss->num_paths = 1;
+ msm_mdss->mdp_path[0] = path0;
+ msm_mdss->num_mdp_paths = 1;
path1 = devm_of_icc_get(dev, "mdp1-mem");
if (!IS_ERR_OR_NULL(path1)) {
- msm_mdss->path[1] = path1;
- msm_mdss->num_paths++;
+ msm_mdss->mdp_path[1] = path1;
+ msm_mdss->num_mdp_paths++;
}
return 0;
@@ -70,8 +70,8 @@ static void msm_mdss_icc_request_bw(struct msm_mdss *msm_mdss, unsigned long bw)
{
int i;
- for (i = 0; i < msm_mdss->num_paths; i++)
- icc_set_bw(msm_mdss->path[i], 0, Bps_to_icc(bw));
+ for (i = 0; i < msm_mdss->num_mdp_paths; i++)
+ icc_set_bw(msm_mdss->mdp_path[i], 0, Bps_to_icc(bw));
}
static void msm_mdss_irq(struct irq_desc *desc)
