drm/bridge/synopsys: dsi: allow LP commands in video mode (6188b06e) · Commits · 戴 / test

Current code only sends LP commands in command mode. Allows sending LP commands also in video mode by setting the proper flag in DSI_VID_MODE_CFG. Signed-off-by:

Antonio Borneo <antonio.borneo@st.com> Tested-by:

Philippe Cornu <philippe.cornu@st.com> Reviewed-by:

Philippe Cornu <philippe.cornu@st.com> Acked-by:

Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:

Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200708140836.32418-1-yannick.fertre@st.com

drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -89,6 +89,7 @@
		#define VID_MODE_TYPE_NON_BURST_SYNC_EVENTS 0x1
		#define VID_MODE_TYPE_BURST 0x2
		#define VID_MODE_TYPE_MASK 0x3
		#define ENABLE_LOW_POWER_CMD BIT(15)
		#define VID_MODE_VPG_ENABLE BIT(16)
		#define VID_MODE_VPG_HORIZONTAL BIT(24)

		@@ -367,6 +368,13 @@ static void dw_mipi_message_config(struct dw_mipi_dsi *dsi,

		dsi_write(dsi, DSI_LPCLK_CTRL, lpm ? 0 : PHY_TXREQUESTCLKHS);
		dsi_write(dsi, DSI_CMD_MODE_CFG, val);

		val = dsi_read(dsi, DSI_VID_MODE_CFG);
		if (lpm)
		val \|= ENABLE_LOW_POWER_CMD;
		else
		val &= ~ENABLE_LOW_POWER_CMD;
		dsi_write(dsi, DSI_VID_MODE_CFG, val);
		}

		static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)

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