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-rw-r--r--arch/arm/cpu/armv7/tegra-common/display.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/tegra-common/display.c b/arch/arm/cpu/armv7/tegra-common/display.c
index a653f3aa27..2f12084447 100644
--- a/arch/arm/cpu/armv7/tegra-common/display.c
+++ b/arch/arm/cpu/armv7/tegra-common/display.c
@@ -117,10 +117,16 @@ static int update_display_mode(struct dc_disp_reg *disp,
/*
* The pixel clock divider is in 7.1 format (where the bottom bit
* represents 0.5). Here we calculate the divider needed to get from
- * the display clock (typically 600MHz) to the pixel clock. We round
- * up or down as requried.
+ * the display clock (typically 600MHz for tegra2 and 216MHZ
+ * for tegra3) to the pixel clock. We round up or down as requried.
*/
+#if defined(CONFIG_TEGRA2)
rate = clock_get_periph_rate(PERIPH_ID_DISP1, CLOCK_ID_CGENERAL);
+#endif
+#if defined(CONFIG_TEGRA3)
+ rate = clock_get_periph_rate(PERIPH_ID_DISP1, CLOCK_ID_PERIPH);
+#endif
+
div = ((rate * 2 + config->pixel_clock / 2) / config->pixel_clock) - 2;
debug("Display clock %lu, divider %lu\n", rate, div);