diff options
Diffstat (limited to 'meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0043-DSS2-Swap-field-0-and-field-1-registers.patch')
| -rw-r--r-- | meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0043-DSS2-Swap-field-0-and-field-1-registers.patch | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0043-DSS2-Swap-field-0-and-field-1-registers.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0043-DSS2-Swap-field-0-and-field-1-registers.patch new file mode 100644 index 0000000000..76e37817c4 --- /dev/null +++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0043-DSS2-Swap-field-0-and-field-1-registers.patch @@ -0,0 +1,170 @@ +From 35e88797e93b107ba602dee1e2ac8ea761dccd4b Mon Sep 17 00:00:00 2001 +From: =?utf-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@nokia.com> +Date: Mon, 20 Apr 2009 16:26:20 +0200 +Subject: [PATCH] DSS2: Swap field 0 and field 1 registers +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Transfer-Encoding: 8bit + +The values for the registers which have alternate values for each field +were reveresed to what the hardware expects. For the hardware field 0 +is the even field or the bottom field, field 1 is the odd field or the +top field. So simply swap the register values. + +Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com> +--- + drivers/video/omap2/dss/dispc.c | 66 ++++++++++++++++++++++----------------- + 1 files changed, 37 insertions(+), 29 deletions(-) + +diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c +index 1c036c1..9bab6cf 100644 +--- a/drivers/video/omap2/dss/dispc.c ++++ b/drivers/video/omap2/dss/dispc.c +@@ -1072,12 +1072,16 @@ static void _dispc_set_scaling(enum omap_plane plane, + + dispc_write_reg(dispc_reg_att[plane], l); + ++ /* ++ * field 0 = even field = bottom field ++ * field 1 = odd field = top field ++ */ + if (ilace && !fieldmode) { +- accu0 = 0; +- accu1 = fir_vinc / 2; +- if (accu1 >= 1024/2) { +- accu0 = 1024/2; +- accu1 -= accu0; ++ accu1 = 0; ++ accu0 = fir_vinc / 2; ++ if (accu0 >= 1024/2) { ++ accu1 = 1024/2; ++ accu0 -= accu1; + } + } + +@@ -1266,34 +1270,38 @@ static void calc_dma_rotation_offset(u8 rotation, bool mirror, + fbh = width; + } + ++ /* ++ * field 0 = even field = bottom field ++ * field 1 = odd field = top field ++ */ + switch (rotation + mirror * 4) { + case 0: +- *offset0 = 0; ++ *offset1 = 0; + if (fieldmode) +- *offset1 = screen_width * ps; ++ *offset0 = screen_width * ps; + else +- *offset1 = 0; ++ *offset0 = 0; + *row_inc = pixinc(1 + (screen_width - fbw) + + (fieldmode ? screen_width : 0), + ps); + *pix_inc = pixinc(1, ps); + break; + case 1: +- *offset0 = screen_width * (fbh - 1) * ps; ++ *offset1 = screen_width * (fbh - 1) * ps; + if (fieldmode) +- *offset1 = *offset0 + ps; ++ *offset0 = *offset1 + ps; + else +- *offset1 = *offset0; ++ *offset0 = *offset1; + *row_inc = pixinc(screen_width * (fbh - 1) + 1 + + (fieldmode ? 1 : 0), ps); + *pix_inc = pixinc(-screen_width, ps); + break; + case 2: +- *offset0 = (screen_width * (fbh - 1) + fbw - 1) * ps; ++ *offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps; + if (fieldmode) +- *offset1 = *offset0 - screen_width * ps; ++ *offset0 = *offset1 - screen_width * ps; + else +- *offset1 = *offset0; ++ *offset0 = *offset1; + *row_inc = pixinc(-1 - + (screen_width - fbw) - + (fieldmode ? screen_width : 0), +@@ -1301,11 +1309,11 @@ static void calc_dma_rotation_offset(u8 rotation, bool mirror, + *pix_inc = pixinc(-1, ps); + break; + case 3: +- *offset0 = (fbw - 1) * ps; ++ *offset1 = (fbw - 1) * ps; + if (fieldmode) +- *offset1 = *offset0 - ps; ++ *offset0 = *offset1 - ps; + else +- *offset1 = *offset0; ++ *offset0 = *offset1; + *row_inc = pixinc(-screen_width * (fbh - 1) - 1 - + (fieldmode ? 1 : 0), ps); + *pix_inc = pixinc(screen_width, ps); +@@ -1313,11 +1321,11 @@ static void calc_dma_rotation_offset(u8 rotation, bool mirror, + + /* mirroring */ + case 0 + 4: +- *offset0 = (fbw - 1) * ps; ++ *offset1 = (fbw - 1) * ps; + if (fieldmode) +- *offset1 = *offset0 + screen_width * ps; ++ *offset0 = *offset1 + screen_width * ps; + else +- *offset1 = *offset0; ++ *offset0 = *offset1; + *row_inc = pixinc(screen_width * 2 - 1 + + (fieldmode ? screen_width : 0), + ps); +@@ -1325,11 +1333,11 @@ static void calc_dma_rotation_offset(u8 rotation, bool mirror, + break; + + case 1 + 4: +- *offset0 = 0; ++ *offset1 = 0; + if (fieldmode) +- *offset1 = *offset0 + screen_width * ps; ++ *offset0 = *offset1 + screen_width * ps; + else +- *offset1 = *offset0; ++ *offset0 = *offset1; + *row_inc = pixinc(-screen_width * (fbh - 1) + 1 + + (fieldmode ? 1 : 0), + ps); +@@ -1337,11 +1345,11 @@ static void calc_dma_rotation_offset(u8 rotation, bool mirror, + break; + + case 2 + 4: +- *offset0 = screen_width * (fbh - 1) * ps; ++ *offset1 = screen_width * (fbh - 1) * ps; + if (fieldmode) +- *offset1 = *offset0 + screen_width * ps; ++ *offset0 = *offset1 + screen_width * ps; + else +- *offset1 = *offset0; ++ *offset0 = *offset1; + *row_inc = pixinc(1 - screen_width * 2 - + (fieldmode ? screen_width : 0), + ps); +@@ -1349,11 +1357,11 @@ static void calc_dma_rotation_offset(u8 rotation, bool mirror, + break; + + case 3 + 4: +- *offset0 = (screen_width * (fbh - 1) + fbw - 1) * ps; ++ *offset1 = (screen_width * (fbh - 1) + fbw - 1) * ps; + if (fieldmode) +- *offset1 = *offset0 + screen_width * ps; ++ *offset0 = *offset1 + screen_width * ps; + else +- *offset1 = *offset0; ++ *offset0 = *offset1; + *row_inc = pixinc(screen_width * (fbh - 1) - 1 - + (fieldmode ? 1 : 0), + ps); +-- +1.5.6.5 + |