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Commit 67d8ffdd authored by Tomi Valkeinen's avatar Tomi Valkeinen
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drm/omap: HDMI: support double-pixel pixel clock 



We need double-pixel mode (pixel repetition) for interlace modes. This
patch adds the necessary support to HDMI to double the pixel clock when
double-pixel mode is used.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent 25358958

drivers/gpu/drm/omapdrm/dss/hdmi4.c

+6 −1
Original line number Original line Diff line number Diff line
@@ -168,6 +168,7 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) 
	struct omap_overlay_manager *mgr = hdmi.output.manager;

	struct omap_overlay_manager *mgr = hdmi.output.manager;

	struct hdmi_wp_data *wp = &hdmi.wp;

	struct hdmi_wp_data *wp = &hdmi.wp;

	struct dss_pll_clock_info hdmi_cinfo = { 0 };

	struct dss_pll_clock_info hdmi_cinfo = { 0 };

	unsigned pc;





	r = hdmi_power_on_core(dssdev);

	r = hdmi_power_on_core(dssdev);

	if (r)

	if (r)
@@ -181,7 +182,11 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) 




	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);

	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);





	hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);

	pc = p->pixelclock;

	if (p->double_pixel)

		pc *= 2;



	hdmi_pll_compute(&hdmi.pll, pc, &hdmi_cinfo);





	r = dss_pll_enable(&hdmi.pll.pll);

	r = dss_pll_enable(&hdmi.pll.pll);

	if (r) {

	if (r) {

drivers/gpu/drm/omapdrm/dss/hdmi5.c

+6 −1
Original line number Original line Diff line number Diff line
@@ -184,6 +184,7 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) 
	struct omap_video_timings *p;

	struct omap_video_timings *p;

	struct omap_overlay_manager *mgr = hdmi.output.manager;

	struct omap_overlay_manager *mgr = hdmi.output.manager;

	struct dss_pll_clock_info hdmi_cinfo = { 0 };

	struct dss_pll_clock_info hdmi_cinfo = { 0 };

	unsigned pc;





	r = hdmi_power_on_core(dssdev);

	r = hdmi_power_on_core(dssdev);

	if (r)

	if (r)
@@ -193,7 +194,11 @@ static int hdmi_power_on_full(struct omap_dss_device *dssdev) 




	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);

	DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);





	hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);

	pc = p->pixelclock;

	if (p->double_pixel)

		pc *= 2;



	hdmi_pll_compute(&hdmi.pll, pc, &hdmi_cinfo);





	/* disable and clear irqs */

	/* disable and clear irqs */

	hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);

	hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);