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axi_hdmi_rx: Fix alignment issue on packed formats 

Some cases, when software changed the image formats, the packed formats (24bit/pixel) lost alignment.
(the first 32 bit after sof got lost) This commit fix that issue.
main
Istvan Csomortani 2015-06-24 12:43:22 +03:00
parent 15740a7d34
commit c0dd80ccee
1 changed files with 8 additions and 2 deletions
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10
library/axi_hdmi_rx/axi_hdmi_rx_core.v
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@ -88,7 +88,7 @@ module axi_hdmi_rx_core (
output hdmi_dma_sof;
output hdmi_dma_de;
output [31:0] hdmi_dma_data;
output [63:0] hdmi_dma_data;
// internal registers
@ -157,9 +157,15 @@ module axi_hdmi_rx_core (
end else if (hdmi_dma_de == 1'b1) begin
hdmi_dma_sof <= 1'b0;
end
if(hdmi_dma_sof_int == 1'b1) begin
hdmi_dma_de_cnt <= 1'b0;
end else if (hdmi_dma_de_int == 1'b1) begin
hdmi_dma_de_cnt <= ~hdmi_dma_de_cnt;
end
hdmi_dma_de <= hdmi_dma_de_cnt & hdmi_dma_de_int;
if (hdmi_dma_de_int == 1'b1) begin
hdmi_dma_de_cnt <= ~hdmi_dma_de_cnt;
hdmi_dma_data[63:32] <= hdmi_dma_data_int;
hdmi_dma_data[31: 0] <= hdmi_dma_data[63:32];
end