Il 17/10/23 12:50, Shawn Sung (宋孝謙) ha scritto:
> Hi Angelo,
>
> On Tue, 2023-10-17 at 11:47 +0200, AngeloGioacchino Del Regno wrote:
>> Il 16/10/23 12:40, Hsiao Chien Sung ha scritto:
>>> By registering component related functions to the pointers,
>>> we can easily manage them within a for-loop and simplify the
>>> logic of clock control significantly.
>>>
>>> Reviewed-by: CK Hu <ck.hu@mediatek.com>
>>> Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
>>> ---
>>> .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 111 +++++++----
>>> -------
>>> 1 file changed, 44 insertions(+), 67 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
>>> b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
>>> index 60e5dfe9ef0d..fffef2a4f919 100644
>>> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
>>> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
>>> @@ -53,6 +53,7 @@ struct ovl_adaptor_comp_match {
>>> enum mtk_ovl_adaptor_comp_type type;
>>> enum mtk_ddp_comp_id comp_id;
>>> int alias_id;
>>> + const struct mtk_ddp_comp_funcs *funcs;
>>> };
>>>
>>> struct mtk_disp_ovl_adaptor {
>>> @@ -67,20 +68,35 @@ static const char * const
>>> private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = {
>>> [OVL_ADAPTOR_TYPE_MERGE] = "merge",
>>> };
>>>
>>> +static const struct mtk_ddp_comp_funcs _ethdr = {
>>
>> Sorry I just noticed that; can you please remove the leading "_" from
>> all
>> of those?
>>
>> _ethdr -> ethdr or mtk_ethdr
>> _merge -> merge or mtk_merge
>> _rdma -> rdma or mtk_rdma
>>
>> Thanks,
>> Angelo
>>
>
> Sure. Will do in the next version.
> The reason I didn't use mtk_* is simply because of the column width
> will exceed 100 characaters.
>
Okay that would not be good, I guess that just `ethdr`, `merge`, `rdma` will
be fine then.
Cheers,
Angelo
> Thanks,
> Shawn
@@ -53,6 +53,7 @@ struct ovl_adaptor_comp_match {
enum mtk_ovl_adaptor_comp_type type;
enum mtk_ddp_comp_id comp_id;
int alias_id;
+ const struct mtk_ddp_comp_funcs *funcs;
};
struct mtk_disp_ovl_adaptor {
@@ -67,20 +68,35 @@ static const char * const private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = {
[OVL_ADAPTOR_TYPE_MERGE] = "merge",
};
+static const struct mtk_ddp_comp_funcs _ethdr = {
+ .clk_enable = mtk_ethdr_clk_enable,
+ .clk_disable = mtk_ethdr_clk_disable,
+};
+
+static const struct mtk_ddp_comp_funcs _merge = {
+ .clk_enable = mtk_merge_clk_enable,
+ .clk_disable = mtk_merge_clk_disable,
+};
+
+static const struct mtk_ddp_comp_funcs _rdma = {
+ .clk_enable = mtk_mdp_rdma_clk_enable,
+ .clk_disable = mtk_mdp_rdma_clk_disable,
+};
+
static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = {
- [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MIXER, 0 },
- [OVL_ADAPTOR_MDP_RDMA0] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA0, 0 },
- [OVL_ADAPTOR_MDP_RDMA1] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA1, 1 },
- [OVL_ADAPTOR_MDP_RDMA2] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA2, 2 },
- [OVL_ADAPTOR_MDP_RDMA3] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA3, 3 },
- [OVL_ADAPTOR_MDP_RDMA4] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA4, 4 },
- [OVL_ADAPTOR_MDP_RDMA5] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA5, 5 },
- [OVL_ADAPTOR_MDP_RDMA6] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA6, 6 },
- [OVL_ADAPTOR_MDP_RDMA7] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA7, 7 },
- [OVL_ADAPTOR_MERGE0] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE1, 1 },
- [OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, 2 },
- [OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, 3 },
- [OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, 4 },
+ [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MIXER, 0, &_ethdr },
+ [OVL_ADAPTOR_MDP_RDMA0] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA0, 0, &_rdma },
+ [OVL_ADAPTOR_MDP_RDMA1] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA1, 1, &_rdma },
+ [OVL_ADAPTOR_MDP_RDMA2] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA2, 2, &_rdma },
+ [OVL_ADAPTOR_MDP_RDMA3] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA3, 3, &_rdma },
+ [OVL_ADAPTOR_MDP_RDMA4] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA4, 4, &_rdma },
+ [OVL_ADAPTOR_MDP_RDMA5] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA5, 5, &_rdma },
+ [OVL_ADAPTOR_MDP_RDMA6] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA6, 6, &_rdma },
+ [OVL_ADAPTOR_MDP_RDMA7] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA7, 7, &_rdma },
+ [OVL_ADAPTOR_MERGE0] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE1, 1, &_merge },
+ [OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, 2, &_merge },
+ [OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, 3, &_merge },
+ [OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, 4, &_merge },
};
void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx,
@@ -186,73 +202,34 @@ void mtk_ovl_adaptor_stop(struct device *dev)
int mtk_ovl_adaptor_clk_enable(struct device *dev)
{
- struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
- struct device *comp;
- int ret;
int i;
-
- for (i = 0; i < OVL_ADAPTOR_MERGE0; i++) {
- comp = ovl_adaptor->ovl_adaptor_comp[i];
- ret = pm_runtime_get_sync(comp);
- if (ret < 0) {
- dev_err(dev, "Failed to enable power domain %d, err %d\n", i, ret);
- goto pwr_err;
- }
- }
+ int ret;
+ struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) {
- comp = ovl_adaptor->ovl_adaptor_comp[i];
-
- if (i < OVL_ADAPTOR_MERGE0)
- ret = mtk_mdp_rdma_clk_enable(comp);
- else if (i < OVL_ADAPTOR_ETHDR0)
- ret = mtk_merge_clk_enable(comp);
- else
- ret = mtk_ethdr_clk_enable(comp);
+ dev = ovl_adaptor->ovl_adaptor_comp[i];
+ if (!dev)
+ continue;
+ ret = comp_matches[i].funcs->clk_enable(dev);
if (ret) {
- dev_err(dev, "Failed to enable clock %d, err %d\n", i, ret);
- goto clk_err;
+ while (--i >= 0)
+ comp_matches[i].funcs->clk_disable(dev);
+ return ret;
}
}
-
- return ret;
-
-clk_err:
- while (--i >= 0) {
- comp = ovl_adaptor->ovl_adaptor_comp[i];
- if (i < OVL_ADAPTOR_MERGE0)
- mtk_mdp_rdma_clk_disable(comp);
- else if (i < OVL_ADAPTOR_ETHDR0)
- mtk_merge_clk_disable(comp);
- else
- mtk_ethdr_clk_disable(comp);
- }
- i = OVL_ADAPTOR_MERGE0;
-
-pwr_err:
- while (--i >= 0)
- pm_runtime_put(ovl_adaptor->ovl_adaptor_comp[i]);
-
- return ret;
+ return 0;
}
void mtk_ovl_adaptor_clk_disable(struct device *dev)
{
- struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
- struct device *comp;
int i;
+ struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) {
- comp = ovl_adaptor->ovl_adaptor_comp[i];
-
- if (i < OVL_ADAPTOR_MERGE0) {
- mtk_mdp_rdma_clk_disable(comp);
- pm_runtime_put(comp);
- } else if (i < OVL_ADAPTOR_ETHDR0) {
- mtk_merge_clk_disable(comp);
- } else {
- mtk_ethdr_clk_disable(comp);
- }
+ dev = ovl_adaptor->ovl_adaptor_comp[i];
+ if (!dev)
+ continue;
+ comp_matches[i].funcs->clk_disable(dev);
}
}