Merge tag 'drm-next-20230529' of git://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux into drm-next

Renesas DRM/KMS drivers:

- Group drivers in renesas subdirectory to prepare for new platform
- Drop deprecated R-Car H3 ES1.x support

Signed-off-by: Dave Airlie <[email protected]>

From: Laurent Pinchart <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: airlied

MAINTAINERS

@@ -6981,8 +6981,7 @@ F:	Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml
 F:	Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml
 F:	Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml
 F:	Documentation/devicetree/bindings/display/renesas,du.yaml
-F:	drivers/gpu/drm/rcar-du/
-F:	drivers/gpu/drm/shmobile/
+F:	drivers/gpu/drm/renesas/
 F:	include/linux/platform_data/shmob_drm.h
 
 DRM DRIVERS FOR ROCKCHIP

drivers/gpu/drm/Kconfig

@@ -289,9 +289,7 @@ source "drivers/gpu/drm/armada/Kconfig"
 
 source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
 
-source "drivers/gpu/drm/rcar-du/Kconfig"
-
-source "drivers/gpu/drm/shmobile/Kconfig"
+source "drivers/gpu/drm/renesas/Kconfig"
 
 source "drivers/gpu/drm/sun4i/Kconfig"
 

drivers/gpu/drm/Makefile

@@ -156,8 +156,7 @@ obj-$(CONFIG_DRM_UDL) += udl/
 obj-$(CONFIG_DRM_AST) += ast/
 obj-$(CONFIG_DRM_ARMADA) += armada/
 obj-$(CONFIG_DRM_ATMEL_HLCDC)	+= atmel-hlcdc/
-obj-y			+= rcar-du/
-obj-$(CONFIG_DRM_SHMOBILE) +=shmobile/
+obj-y			+= renesas/
 obj-y			+= omapdrm/
 obj-$(CONFIG_DRM_SUN4I) += sun4i/
 obj-y			+= tilcdc/

drivers/gpu/drm/renesas/Kconfig

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+source "drivers/gpu/drm/renesas/rcar-du/Kconfig"
+source "drivers/gpu/drm/renesas/shmobile/Kconfig"

drivers/gpu/drm/renesas/Makefile

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += rcar-du/
+obj-$(CONFIG_DRM_SHMOBILE) += shmobile/

drivers/gpu/drm/rcar-du/Kconfig renamed to drivers/gpu/drm/renesas/rcar-du/Kconfig

@@ -223,20 +223,6 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
 		 * DU channels that have a display PLL can't use the internal
 		 * system clock, and have no internal clock divider.
 		 */
-
-		/*
-		 * The H3 ES1.x exhibits dot clock duty cycle stability issues.
-		 * We can work around them by configuring the DPLL to twice the
-		 * desired frequency, coupled with a /2 post-divider. Restrict
-		 * the workaround to H3 ES1.x as ES2.0 and all other SoCs have
-		 * no post-divider when a display PLL is present (as shown by
-		 * the workaround breaking HDMI output on M3-W during testing).
-		 */
-		if (rcdu->info->quirks & RCAR_DU_QUIRK_H3_ES1_PCLK_STABILITY) {
-			target *= 2;
-			div = 1;
-		}
-
 		extclk = clk_get_rate(rcrtc->extclock);
 		rcar_du_dpll_divider(rcrtc, &dpll, extclk, target);
 
@@ -245,30 +231,13 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
 		       | DPLLCR_N(dpll.n) | DPLLCR_M(dpll.m)
 		       | DPLLCR_STBY;
 
-		if (rcrtc->index == 1) {
+		if (rcrtc->index == 1)
 			dpllcr |= DPLLCR_PLCS1
 			       |  DPLLCR_INCS_DOTCLKIN1;
-		} else {
-			dpllcr |= DPLLCR_PLCS0_PLL
+		else
+			dpllcr |= DPLLCR_PLCS0
 			       |  DPLLCR_INCS_DOTCLKIN0;
 
-			/*
-			 * On ES2.x we have a single mux controlled via bit 21,
-			 * which selects between DCLKIN source (bit 21 = 0) and
-			 * a PLL source (bit 21 = 1), where the PLL is always
-			 * PLL1.
-			 *
-			 * On ES1.x we have an additional mux, controlled
-			 * via bit 20, for choosing between PLL0 (bit 20 = 0)
-			 * and PLL1 (bit 20 = 1). We always want to use PLL1,
-			 * so on ES1.x, in addition to setting bit 21, we need
-			 * to set the bit 20.
-			 */
-
-			if (rcdu->info->quirks & RCAR_DU_QUIRK_H3_ES1_PLL)
-				dpllcr |= DPLLCR_PLCS0_H3ES1X_PLL1;
-		}
-
 		rcar_du_group_write(rcrtc->group, DPLLCR, dpllcr);
 
 		escr = ESCR_DCLKSEL_DCLKIN | div;