diff mbox series

[3/6] drm/aspeed: Add AST2600 support

Message ID 20210928025703.10909-4-tommy_huang@aspeedtech.com (mailing list archive)
State New, archived
Headers show
Series *** Add AST2600 GFX node *** | expand

Commit Message

Tommy Huang Sept. 28, 2021, 2:57 a.m. UTC 
From: Joel Stanley <joel@jms.id.au>

The values for the threshold and scan line size come from the ASPEED
SDK.

The DAC register is SCUC0 in the AST2600 datasheet. It has the same
layout as the previous generations.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: tommy-huang <tommy_huang@aspeedtech.com>
---
 drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index b53fee6f1c17..ea9cb0a4f16c 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -79,9 +79,16 @@  static const struct aspeed_gfx_config ast2500_config = {
 	.scan_line_max = 128,
 };
 
+static const struct aspeed_gfx_config ast2600_config = {
+	.dac_reg = 0xc0,
+	.throd_val = CRT_THROD_LOW(0x50) | CRT_THROD_HIGH(0x70),
+	.scan_line_max = 128,
+};
+
 static const struct of_device_id aspeed_gfx_match[] = {
 	{ .compatible = "aspeed,ast2400-gfx", .data = &ast2400_config },
 	{ .compatible = "aspeed,ast2500-gfx", .data = &ast2500_config },
+	{ .compatible = "aspeed,ast2600-gfx", .data = &ast2600_config },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, aspeed_gfx_match);