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authorPadmanabhan Komanduru <pkomandu@codeaurora.org>2017-02-05 10:30:31 +0530
committerPadmanabhan Komanduru <pkomandu@codeaurora.org>2017-02-05 11:09:07 +0530
commitd9433524bf4d5cebafcd4e82dc67680dd3695272 (patch)
tree8c4aa2e8657f9b572e5d40a12175413f765b5712 /drivers/video/fbdev
parent5c575fbbbdcef4b782da14e0a9a0f8967eec75e9 (diff)
msm: mdss: dp: add support to parse maximum PCLK from dtsi for display port
For SDM660 and MSM8998 even though the DP controller version is the same, there is a difference in the maximum pixel clock frequency supported between these targets. Add support to parse this property from the MDSS Display Port dtsi node as an optional property. Change-Id: I568ac44e41c7bf34f4b87b3199cdecad54e166c3 Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
Diffstat (limited to 'drivers/video/fbdev')
-rw-r--r--drivers/video/fbdev/msm/mdss_dp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/video/fbdev/msm/mdss_dp.c b/drivers/video/fbdev/msm/mdss_dp.c
index 2199f923260f..a8336eda0857 100644
--- a/drivers/video/fbdev/msm/mdss_dp.c
+++ b/drivers/video/fbdev/msm/mdss_dp.c
@@ -132,7 +132,7 @@ static int mdss_dp_is_clk_prefix(const char *clk_prefix, const char *clk_name)
static int mdss_dp_parse_prop(struct platform_device *pdev,
struct mdss_dp_drv_pdata *dp_drv)
{
- int len = 0, i = 0;
+ int len = 0, i = 0, rc = 0;
const char *data;
data = of_get_property(pdev->dev.of_node,
@@ -160,6 +160,11 @@ static int mdss_dp_parse_prop(struct platform_device *pdev,
dp_drv->l_map[i] = data[i];
}
+ rc = of_property_read_u32(pdev->dev.of_node,
+ "qcom,max-pclk-frequency-khz", &dp_drv->max_pclk_khz);
+ if (rc)
+ dp_drv->max_pclk_khz = DP_MAX_PIXEL_CLK_KHZ;
+
return 0;
}
@@ -1683,7 +1688,6 @@ static int mdss_dp_edid_init(struct mdss_panel_data *pdata)
dp_drv = container_of(pdata, struct mdss_dp_drv_pdata,
panel_data);
- dp_drv->max_pclk_khz = DP_MAX_PIXEL_CLK_KHZ;
edid_init_data.kobj = dp_drv->kobj;
edid_init_data.max_pclk_khz = dp_drv->max_pclk_khz;