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path: root/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
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Diffstat (limited to 'drivers/gpu/drm/aspeed/aspeed_gfx_drv.c')
-rw-r--r--drivers/gpu/drm/aspeed/aspeed_gfx_drv.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index 13f496473b9e..63db774f6eb2 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -61,6 +61,7 @@
struct aspeed_gfx_config {
u32 dac_reg; /* DAC register in SCU */
+ u32 int_clear_reg; /* Interrupt clear register */
u32 vga_scratch_reg; /* VGA scratch register in SCU */
u32 throd_val; /* Default Threshold Seting */
u32 scan_line_max; /* Max memory size of one scan line */
@@ -68,6 +69,7 @@ struct aspeed_gfx_config {
static const struct aspeed_gfx_config ast2400_config = {
.dac_reg = 0x2c,
+ .int_clear_reg = 0x60,
.vga_scratch_reg = 0x50,
.throd_val = CRT_THROD_LOW(0x1e) | CRT_THROD_HIGH(0x12),
.scan_line_max = 64,
@@ -75,6 +77,7 @@ static const struct aspeed_gfx_config ast2400_config = {
static const struct aspeed_gfx_config ast2500_config = {
.dac_reg = 0x2c,
+ .int_clear_reg = 0x60,
.vga_scratch_reg = 0x50,
.throd_val = CRT_THROD_LOW(0x24) | CRT_THROD_HIGH(0x3c),
.scan_line_max = 128,
@@ -120,7 +123,7 @@ static irqreturn_t aspeed_gfx_irq_handler(int irq, void *data)
if (reg & CRT_CTRL_VERTICAL_INTR_STS) {
drm_crtc_handle_vblank(&priv->pipe.crtc);
- writel(reg, priv->base + CRT_CTRL1);
+ writel(reg, priv->base + priv->int_clr_reg);
return IRQ_HANDLED;
}
@@ -148,6 +151,7 @@ static int aspeed_gfx_load(struct drm_device *drm)
config = match->data;
priv->dac_reg = config->dac_reg;
+ priv->int_clr_reg = config->int_clear_reg;
priv->vga_scratch_reg = config->vga_scratch_reg;
priv->throd_val = config->throd_val;
priv->scan_line_max = config->scan_line_max;