Hi Tobias,
On 19 May 2015 at 14:53, Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx> wrote:
> On 2015-05-18 23:02, Gustavo Padovan wrote:
>> So better try this. Ideally fimd_mode_fixup should go away too, I'll do a
>> proper
>> patch once we know this works.
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>> b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>> index 12ab80c..363353b 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
>> @@ -307,9 +307,17 @@ static void fimd_iommu_detach_devices(struct
>> fimd_context *ctx)
>> static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
>> const struct drm_display_mode *mode)
>> {
>> - unsigned long ideal_clk = mode->htotal * mode->vtotal *
>> mode->vrefresh;
>> + unsigned long ideal_clk;
>> + int vrefresh;
>> u32 clkdiv;
>>
>> + if (mode->vrefresh == 0)
>> + vrefresh = drm_mode_vrefresh(mode);
>> + else
>> + vrefresh = mode->vrefresh;
>> +
>> + ideal_clk = mode->htotal * mode->vtotal * vrefresh;
>> +
>> if (ctx->i80_if) {
>> /*
>> * The frame done interrupt should be occurred prior to
>> the
>
> I've applied this and the debug output patch, but I still get a div-by-zero.
Can you please add a drm_mode_debug_printmodeline(mode) and give the
output there?
Cheers,
Daniel
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