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Optimize double buffering implementation

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optimize the implemented dual buffer support to avoid compilation errors on other development boards.

Signed-off-by: liujp <liujp@xiaomi.com>
This commit is contained in:
liujp
2025-04-03 13:07:05 +08:00
committed by Xiang Xiao
parent e421e2c9e5
commit 32c5667d5d
1 changed files with 6 additions and 1 deletions
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arch/arm/src/stm32h7/stm32_ltdc.c
+6 -1
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@@ -906,6 +906,8 @@ static struct stm32_ltdcdev_s g_vtable =
#else #else
.yres_virtual = STM32_LTDC_HEIGHT, .yres_virtual = STM32_LTDC_HEIGHT,
#endif #endif
.xoffset = 0,
.yoffset = 0
}, },
.vinfo = .vinfo =
{ {
@@ -1491,6 +1493,10 @@ static int stm32_ltdcirq(int irq, void *context, void *arg)
reginfo("Register reloaded\n"); reginfo("Register reloaded\n");
putreg32(LTDC_ICR_CRRIF, STM32_LTDC_ICR); putreg32(LTDC_ICR_CRRIF, STM32_LTDC_ICR);
priv->error = OK; priv->error = OK;
#if defined(CONFIG_STM32H7_LTDC_FB_DOUBLE_BUFFER)
fb_remove_paninfo(&g_vtable.vtable, FB_NO_OVERLAY);
#endif
} }
else if (regval & LTDC_IER_LIE) else if (regval & LTDC_IER_LIE)
{ {
@@ -2560,7 +2566,6 @@ static int stm32_waitforvsync(struct fb_vtable_s *vtable)
static int stm32_pandisplay(struct fb_vtable_s *vtable, static int stm32_pandisplay(struct fb_vtable_s *vtable,
struct fb_planeinfo_s *pinfo) struct fb_planeinfo_s *pinfo)
{ {
int ret = 0;
DEBUGASSERT(vtable != NULL && vtable == &g_vtable.vtable); DEBUGASSERT(vtable != NULL && vtable == &g_vtable.vtable);
DEBUGASSERT(pinfo != NULL); DEBUGASSERT(pinfo != NULL);