drm/msm/dsi: Switch the QCM2290-specific compatible to index autodetection

Now that the logic can handle multiple sets of registers, move
the QCM2290 to the common logic and mark it deprecated. This allows us
to remove a couple of structs, saving some memory.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/527656/
Link: https://lore.kernel.org/r/20230307-topic-dsi_qcm-v6-6-70e13b1214fa@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/dsi/dsi.c

@@ -4,7 +4,6 @@
  */
 
 #include "dsi.h"
-#include "dsi_cfg.h"
 
 bool msm_dsi_is_cmd_mode(struct msm_dsi *msm_dsi)
 {
@@ -174,7 +173,9 @@ static int dsi_dev_remove(struct platform_device *pdev)
 
 static const struct of_device_id dt_match[] = {
 	{ .compatible = "qcom,mdss-dsi-ctrl", .data = NULL /* autodetect cfg */ },
-	{ .compatible = "qcom,dsi-ctrl-6g-qcm2290", .data = &qcm2290_dsi_cfg_handler },
+
+	/* Deprecated, don't use */
+	{ .compatible = "qcom,dsi-ctrl-6g-qcm2290", .data = NULL },
 	{}
 };
 

drivers/gpu/drm/msm/dsi/dsi_cfg.c

@@ -169,7 +169,8 @@ static const struct msm_dsi_config sdm845_dsi_cfg = {
 	.bus_clk_names = dsi_v2_4_clk_names,
 	.num_bus_clks = ARRAY_SIZE(dsi_v2_4_clk_names),
 	.io_start = {
-		{ 0xae94000, 0xae96000 }, /* SDM845 / SDM670 / SC7180 */
+		{ 0xae94000, 0xae96000 }, /* SDM845 / SDM670 */
+		{ 0x5e94000 }, /* QCM2290 / SM6115 / SM6125 / SM6375 */
 	},
 };
 
@@ -203,17 +204,6 @@ static const struct msm_dsi_config sc7280_dsi_cfg = {
 	},
 };
 
-static const struct msm_dsi_config qcm2290_dsi_cfg = {
-	.io_offset = DSI_6G_REG_SHIFT,
-	.regulator_data = dsi_v2_4_regulators,
-	.num_regulators = ARRAY_SIZE(dsi_v2_4_regulators),
-	.bus_clk_names = dsi_v2_4_clk_names,
-	.num_bus_clks = ARRAY_SIZE(dsi_v2_4_clk_names),
-	.io_start = {
-		{ 0x5e94000 },
-	},
-};
-
 static const struct msm_dsi_host_cfg_ops msm_dsi_v2_host_ops = {
 	.link_clk_set_rate = dsi_link_clk_set_rate_v2,
 	.link_clk_enable = dsi_link_clk_enable_v2,
@@ -304,9 +294,3 @@ const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
 
 	return cfg_hnd;
 }
-
-/*  Non autodetect configs */
-const struct msm_dsi_cfg_handler qcm2290_dsi_cfg_handler = {
-	.cfg = &qcm2290_dsi_cfg,
-	.ops = &msm_dsi_6g_v2_host_ops,
-};

drivers/gpu/drm/msm/dsi/dsi_cfg.h

@@ -65,8 +65,5 @@ struct msm_dsi_cfg_handler {
 
 const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor);
 
-/* Non autodetect configs */
-extern const struct msm_dsi_cfg_handler qcm2290_dsi_cfg_handler;
-
 #endif /* __MSM_DSI_CFG_H__ */